{"title":"Dark Seiryu Rock","description":"\u003cdiv data-mce-fragment=\"1\" data-id=\"1614797959205\" data-ver=\"1\" data-icon=\"gpicon-textblock\" class=\"element-wrap\" id=\"e-1614797959205\" data-key=\"text-block\" data-label=\"Text Block\"\u003e\n\n\u003cdiv data-mce-fragment=\"1\" data-exc=\"\" data-gemlang=\"en\" class=\"elm text-edit gf-elm-left gf-elm-left-lg gf-elm-left-md gf-elm-left-sm gf-elm-left-xs\"\u003e\n\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"color: #000000;\" color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an irregular appearance. It is the ideal stone for '\u003ca data-mce-fragment=\"1\" rel=\"noopener null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu has emerged in recent years and has become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"color: #000000;\" color=\"#000000\"\u003eWe sell Dark Seiryu Rock in all sizes. \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eFor a beautiful scape, it is important to work with different sized stones. This ensures a natural look. \u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\" style=\"color: #000000;\" color=\"#000000\"\u003eWe also sell unique XS stones. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eThis stone is calcareous and will increase the hardness and thus the pH of the water. \u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\" style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca data-mce-fragment=\"1\" rel=\"noopener null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\n\u003cp data-mce-fragment=\"1\"\u003eDark Seiryu Rock is available from XL to XS.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" data-id=\"1614797959107\" data-ver=\"1\" data-icon=\"gpicon-textblock\" class=\"element-wrap\" id=\"e-1614797959107\" data-key=\"text-block\" data-label=\"Text Block\"\u003e\n\n\u003cdiv data-mce-fragment=\"1\" data-exc=\"\" data-gemlang=\"en\" class=\"elm text-edit gf-elm-left gf-elm-left-lg gf-elm-left-md gf-elm-left-sm gf-elm-left-xs\"\u003e\n\n\u003cul\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"color: #000000;\" color=\"#000000\"\u003eXL are stones weighing more than 2.5 kg.\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"color: #000000;\" color=\"#000000\"\u003eLarge are stones weighing 1.5kg to 2.5 kg.\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"color: #000000;\" color=\"#000000\"\u003eMedium are stones weighing 1kg to 1.5kg.\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"color: #000000;\" color=\"#000000\"\u003eSmall are stones weighing 0.5kg to 1kg.\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"color: #000000;\" color=\"#000000\"\u003eXS are stones weighing up to 0.5kg.\u003c\/span\u003e\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e","products":[{"product_id":"dark-seiryu-rock-s17","title":"Dark Seiryu Rock S17","description":"\u003cp\u003e\u003cstrong\u003eDark Seiryu Rock S are smaller stones up to 1000 grams\u003c\/strong\u003e\u003c\/p\u003e\u003c!--en--\u003e\u003cp\u003eThese are ideal for detailing and variation in your Hardscape. Or for use in Nano scapes.\u003cbr\u003e\u003cbr\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/span\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an erratic appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu has emerged in recent years and is now one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\u003c!--en--\u003e\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in all sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This ensures a natural look. \u003c\/p\u003e\u003c!--en--\u003e\u003cp\u003eA perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\u003c!--en--\u003e\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003e\u003c\/p\u003e\u003c!--en--\u003e\u003cp\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. Not a problem for most aquariums.\u003c\/span\u003e\u003c\/p\u003e\u003c!--en--\u003e\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c!--en--\u003e\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is photographed uniquely and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":41410081226941,"sku":"","price":7.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-small-default-title-dark-seiryu-rock-s17-51482953285964.jpg?v=1730415357"},{"product_id":"dark-seiryu-rock-m007","title":"Dark Seiryu Rock M007","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eDark Seiryu Rock Medium are stones weighing 1000 to 1500 grams. \u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an erratic appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and has now become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in various sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This creates a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eImportant for shrimp scapes is to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is photographed uniquely and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":41410083848381,"sku":"","price":14.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-medium-default-title-dark-seiryu-rock-m007-51482947453260.jpg?v=1730416162"},{"product_id":"dark-seiryu-rock-m008","title":"Dark Seiryu Rock M008","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eDark Seiryu Rock Medium are stones weighing between 1000 and 1500 grams.\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an irregular appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and has since become one of the most favorite stones.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in various sizes.\u003c\/span\u003e For a beautiful scape, it is important to work with different sized stones. This creates a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium design.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for finishing the overall look or for special NANO scapes. \u003c\/span\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eImportant for shrimp scapes is to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is photographed uniquely and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":41410083946685,"sku":"","price":14.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-medium-default-title-dark-seiryu-rock-m008-51482949747020.jpg?v=1730429116"},{"product_id":"dark-seiryu-rock-m009","title":"Dark Seiryu Rock M009","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eDark Seiryu Rock Medium are stones weighing 1000 to 1500 grams. \u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an irregular appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and has become one of the most favored stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in various sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This creates a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium design.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. Not a problem for most aquariums.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eImportant for shrimp scapes is to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is uniquely photographed and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":41410084012221,"sku":"","price":14.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-medium-default-title-dark-seiryu-rock-m009-51482950598988.jpg?v=1730432888"},{"product_id":"dark-seiryu-rock-m010","title":"Dark Seiryu Rock M010","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eDark Seiryu Rock Medium are stones weighing 1000 to 1500 grams. \u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an irregular appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and has since become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in various sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This creates a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is photographed uniquely and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":41410084077757,"sku":"","price":14.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-medium-default-title-dark-seiryu-rock-m010-51482947813708.jpg?v=1730432858"},{"product_id":"dark-seiryu-rock-m014","title":"Dark Seiryu Rock M014","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eDark Seiryu Rock Medium are stones weighing between 1000 and 1500 grams. \u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an erratic appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and has since become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in various sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This creates a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium design.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is uniquely photographed and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":41410084339901,"sku":"","price":14.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-medium-default-title-dark-seiryu-rock-m014-51482945356108.jpg?v=1730416339"},{"product_id":"dark-seiryu-rock-l009","title":"Dark Seiryu Rock L009","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eSeiryu Rock L are stones weighing 1.5kg to 2.5kg. \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an irregular appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and has become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in various sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This creates a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium design.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. For most aquariums this is not a problem.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is photographed uniquely and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":41893621039293,"sku":"","price":18.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/products\/dark-seiryu-rock-l009large-825024.jpg?v=1698616370"},{"product_id":"dark-seiryu-rock-l020","title":"Dark Seiryu Rock L020","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eSeiryu Rock L are stones weighing 1.5kg to 2.5kg. \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an erratic appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu emerged in recent years and has become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in all kinds of sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This provides a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium design.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is photographed uniquely and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":41893624381629,"sku":"","price":18.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-large-default-title-dark-seiryu-rock-l020-51482949157196.jpg?v=1730418044"},{"product_id":"dark-seiryu-rock-l022","title":"Dark Seiryu Rock L022","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eSeiryu Rock L are stones weighing 1.5kg to 2.5kg. \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an irregular appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and has since become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in all kinds of sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This provides a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with RO water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is uniquely photographed and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":41893624578237,"sku":"","price":18.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-large-default-title-dark-seiryu-rock-l022-51482947977548.jpg?v=1730427955"},{"product_id":"dark-seiryu-rock-l029","title":"Dark Seiryu Rock L029","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eSeiryu Rock L are stones weighing 1.5kg to 2.5 kg. \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an erratic appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu has emerged in recent years and is now one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in all sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This creates a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is uniquely photographed and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":41893627297981,"sku":"","price":18.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-large-default-title-dark-seiryu-rock-l029-51482943062348.jpg?v=1730417916"},{"product_id":"dark-seiryu-rock-l032","title":"Dark Seiryu Rock L032","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eSeiryu Rock L are stones weighing 1.5kg to 2.5kg. \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an erratic appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and has become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in all sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This creates a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is uniquely photographed and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":41893628182717,"sku":"","price":18.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-large-default-title-dark-seiryu-rock-l032-51482945093964.jpg?v=1730418072"},{"product_id":"dark-seiryu-rock-l034","title":"Dark Seiryu Rock L034","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eSeiryu Rock L are stones weighing 1.5kg to 2.5kg. \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an erratic appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu has made its appearance in recent years and is now one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in all sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This provides a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is photographed uniquely and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":41893630050493,"sku":"","price":18.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-large-default-title-dark-seiryu-rock-l034-51482948108620.jpg?v=1730417964"},{"product_id":"dark-seiryu-rock-xl006","title":"Dark Seiryu Rock XL006","description":"\u003cp\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an erratic appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and has become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in various sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This creates a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums, but it can be an issue for very special shrimp.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003cstrong\u003ePlease note, all stones are photographed uniquely and can only be ordered once.\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cbr\u003eDue to the different weights, the prices of XL stones vary per piece.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":41893667864765,"sku":"","price":29.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-extra-large-default-title-dark-seiryu-rock-xl006-56205731496268.jpg?v=1730428148"},{"product_id":"dark-seiryu-rock-xl008","title":"Dark Seiryu Rock XL008","description":"\u003cp\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an erratic appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu emerged in recent years and has become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in all sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This creates a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums, only for very special shrimp can this be an issue.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003cstrong\u003ePlease note, all stones are photographed uniquely and can only be ordered once.\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cbr\u003eDue to the different weights, the prices of XL stones vary per piece.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":41893670420669,"sku":"","price":28.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-extra-large-default-title-dark-seiryu-rock-xl008-56205746635084.jpg?v=1730417957"},{"product_id":"dark-seiryu-rock-xl011","title":"Dark Seiryu Rock XL011","description":"\u003cp\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an erratic appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu has emerged in recent years and has become one of the most popular stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in various sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with stones of different sizes. This ensures a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for finishing the whole or for special NANO scapes. \u003c\/span\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. For most aquariums this is not a problem, only for very special shrimp can this be an issue.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003cstrong\u003ePlease note, all stones are photographed individually and can only be ordered once.\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cbr\u003eDue to the different weights, the prices of XL stones vary per piece.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":41893694537917,"sku":"","price":28.55,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-extra-large-default-title-dark-seiryu-rock-xl011-56205756957004.jpg?v=1730428165"},{"product_id":"dark-seiryu-rock-s48","title":"Dark Seiryu Rock S48","description":"\u003cp\u003e\u003cstrong\u003eDark Seiryu Rock S are smaller stones up to 1000 grams\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese are ideal for detailing and variation in your Hardscape. Or for use in Nano scapes.\u003cbr\u003e\u003cbr\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/span\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has a rugged appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu has emerged in recent years and is now one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in various sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This creates a natural look. \u003c\/p\u003e\u003cp\u003eA perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium design.\u003c\/p\u003e\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal to complete the whole or for special NANO scapes. \u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. Not a problem for most aquariums.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with RO water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is uniquely photographed and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":41894090768573,"sku":"","price":7.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-small-default-title-dark-seiryu-rock-s48-51482955678028.jpg?v=1730418392"},{"product_id":"dark-seiryu-rock-s54","title":"Dark Seiryu Rock S54","description":"\u003cp\u003e\u003cstrong\u003eDark Seiryu Rock S are smaller stones up to 1000 grams\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese are ideal for detailing and variation in your Hardscape. Or for use in Nano scapes.\u003cbr\u003e\u003cbr\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/span\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an irregular appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and is now one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in all sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This ensures a natural look. \u003c\/p\u003e\n\u003cp\u003eA perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis stone is calcareous and can slightly increase the hardness and thus the pH of the water. Not a problem for most aquariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eImportant for shrimp scapes is to lower the pH to the desired value with a pH lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is uniquely photographed and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":41894336561341,"sku":"","price":7.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-small-default-title-dark-seiryu-rock-s54-51482952663372.jpg?v=1730428260"},{"product_id":"dark-seiryu-rock-s59","title":"Dark Seiryu Rock S59","description":"\u003cp\u003e\u003cstrong\u003eDark Seiryu Rock S are smaller stones up to 1000 grams\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese are ideal for detailing and variation in your Hardscape, or for use in Nano scapes.\u003cbr\u003e\u003cbr\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/span\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an erratic appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and has now become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in all sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This provides a natural look. \u003c\/p\u003e\n\u003cp\u003eA perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole setup or for special NANO scapes. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is uniquely photographed and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":41894342099133,"sku":"","price":7.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-small-default-title-dark-seiryu-rock-s59-51482955022668.jpg?v=1730418341"},{"product_id":"dark-seiryu-rock-s68","title":"Dark Seiryu Rock S68","description":"\u003cp\u003e\u003cstrong\u003eDark Seiryu Rock S are smaller stones up to 1000 grams\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese are ideal for detailing and variation in your Hardscape, or for use in Nano scapes.\u003cbr\u003e\u003cbr\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/span\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an irregular appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu has emerged in recent years and is now one of the most popular stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in all sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This creates a natural look. \u003c\/p\u003e\n\u003cp\u003eA perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. For most aquariums, this is not a problem.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with RO water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is photographed uniquely and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":41894352421053,"sku":"","price":7.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-small-default-title-dark-seiryu-rock-s68-51482953875788.jpg?v=1730418133"},{"product_id":"dark-seiryu-rock-m020","title":"Dark Seiryu Rock M020","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eDark Seiryu Rock Medium are stones weighing between 1000 and 1500 grams. \u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an erratic appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and has since become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in all sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This creates a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. This stone contains lime and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone has been photographed uniquely and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":41894361170109,"sku":"","price":14.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-medium-default-title-dark-seiryu-rock-m020-51482946732364.jpg?v=1730418485"},{"product_id":"dark-seiryu-rock-m032","title":"Dark Seiryu Rock M032","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eDark Seiryu Rock Medium are stones weighing 1000 to 1500 grams. \u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an erratic appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and has now become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in all sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This ensures a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium design.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for finishing the whole or for special NANO scapes. \u003c\/span\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. Not a problem for most aquariums.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is photographed uniquely and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":41894368739517,"sku":"","price":14.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-medium-default-title-dark-seiryu-rock-m032-51482946994508.jpg?v=1730418945"},{"product_id":"dark-seiryu-rock-xl024","title":"Dark Seiryu Rock XL024","description":"\u003cp\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an irregular appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu emerged in recent years and has since become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in various sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This creates a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums, only for very special shrimp it can be problematic.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003cstrong\u003ePlease note, all stones are uniquely photographed and can only be ordered once.\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cbr\u003eDue to varying weights, prices for XL stones vary per piece.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":42199748083901,"sku":"","price":24.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-extra-large-default-title-dark-seiryu-rock-xl024-51482959413580.jpg?v=1730417593"},{"product_id":"dark-seiryu-rock-m042","title":"Dark Seiryu Rock M042","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eDark Seiryu Rock Medium are stones weighing 1000 to 1500 grams. \u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an irregular appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and has since become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in all sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This creates a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is uniquely photographed and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":42199800185021,"sku":"","price":14.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-medium-default-title-dark-seiryu-rock-m042-51482945257804.jpg?v=1730417753"},{"product_id":"dark-seiryu-rock-m052","title":"Dark Seiryu Rock M052","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eDark Seiryu Rock Medium are stones weighing between 1000 and 1500 grams.\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an erratic appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and has since become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in all sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with stones of different sizes. This creates a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium design.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. Not a problem for most aquariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eImportant for shrimp scapes is to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is photographed uniquely and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":42199813849277,"sku":"","price":14.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-medium-default-title-dark-seiryu-rock-m052-51482948305228.jpg?v=1730417586"},{"product_id":"dark-seiryu-rock-m063","title":"Dark Seiryu Rock M063","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eDark Seiryu Rock Medium are stones weighing 1000 to 1500 grams. \u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an irregular appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and has since become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in all sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This creates a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium design.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for finishing the whole or for special NANO scapes. \u003c\/span\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is photographed uniquely and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":42625913323709,"sku":"","price":14.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-medium-default-title-dark-seiryu-rock-m063-51482947125580.jpg?v=1730433342"},{"product_id":"dark-seiryu-rock-m066","title":"Dark Seiryu Rock M066","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eDark Seiryu Rock Medium are stones weighing 1000 to 1500 grams. \u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an irregular appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and has become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in all sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This creates a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. This stone is calcareous and may slightly increase the hardness and thus the pH of the water. Not a problem for most aquariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is uniquely photographed and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":42625914241213,"sku":"","price":14.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-medium-default-title-dark-seiryu-rock-m066-51482949878092.jpg?v=1730421514"},{"product_id":"dark-seiryu-rock-m079","title":"Dark Seiryu Rock M079","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eDark Seiryu Rock Medium are stones weighing 1000 to 1500 grams. \u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an erratic appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and has now become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in all kinds of sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This provides a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium layout.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for finishing off the whole or for special NANO scapes. \u003c\/span\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. Not a problem for most aquariums.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eImportant for shrimp scapes is to lower the pH to the desired value with a pH lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is photographed uniquely and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":42634613227709,"sku":"","price":14.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-medium-default-title-dark-seiryu-rock-m079-51482954760524.jpg?v=1730433146"},{"product_id":"dark-seiryu-rock-xl034","title":"Dark Seiryu Rock XL034","description":"\u003cp\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an irregular appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and has become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in various sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This creates a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. This stone is calcareous and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums, only for very special shrimp it can be objectionable.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003cstrong\u003ePlease note, all stones are uniquely photographed and can only be ordered once.\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cbr\u003eDue to the different weights, the prices of XL stones vary per piece.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":47579335459148,"sku":null,"price":19.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-extra-large-default-title-dark-seiryu-rock-xl034-52881227612492.jpg?v=1730425392"},{"product_id":"dark-seiryu-rock-xl037","title":"Dark Seiryu Rock XL037","description":"\u003cp\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an erratic appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and has since become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in various sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This ensures a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal to complete the whole or for special NANO scapes. \u003c\/span\u003e\u003cspan\u003eThis stone contains lime and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums, only for very special shrimp it can be problematic.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003cstrong\u003ePlease note, all stones are photographed uniquely and can only be ordered once.\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cbr\u003eDue to varying weights, the prices of XL stones vary per piece.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":47579445068108,"sku":null,"price":29.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-extra-large-default-title-dark-seiryu-rock-xl037-52881227710796.jpg?v=1730438431"},{"product_id":"dark-seiryu-rock-xl039","title":"Dark Seiryu Rock XL039","description":"\u003cp\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an erratic appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu emerged in recent years and has become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in various sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This creates a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums, but it can be an issue for very special shrimp.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003cstrong\u003ePlease note, all stones are photographed uniquely and can only be ordered once.\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cbr\u003eDue to the different weights, the prices of XL stones vary per piece.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":47579464565068,"sku":null,"price":24.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-extra-large-default-title-dark-seiryu-rock-xl039-52881228169548.jpg?v=1730438774"},{"product_id":"dark-seiryu-rock-l080","title":"Dark Seiryu Rock L080","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eSeiryu Rock L are stones weighing 1.5kg to 2.5 kg. \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an irregular appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu has emerged in recent years and is now one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in all sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This provides a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is uniquely photographed and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":47579736408396,"sku":null,"price":18.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-large-default-title-dark-seiryu-rock-l080-52501587034444.jpg?v=1730438575"},{"product_id":"dark-seiryu-rock-s112","title":"Dark Seiryu Rock S112","description":"\u003cp\u003e\u003cstrong\u003eDark Seiryu Rock S are smaller stones up to 1000 grams\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese are ideal for detailing and variation in your Hardscape, or for use in Nano scapes.\u003cbr\u003e\u003cbr\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/span\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has a rugged appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and has now become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in all sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This provides a natural look. \u003c\/p\u003e\n\u003cp\u003eA perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. For most aquariums, this is not a problem.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is uniquely photographed and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":47854140784972,"sku":null,"price":7.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-small-default-title-dark-seiryu-rock-s112-53449447539020.jpg?v=1730427229"},{"product_id":"dark-seiryu-rock-s114","title":"Dark Seiryu Rock S114","description":"\u003cp\u003e\u003cstrong\u003eDark Seiryu Rock S are smaller stones up to 1000 grams\u003c\/strong\u003e\u003c\/p\u003e\u003c!--en--\u003e\u003cp\u003eThese are ideal for detailing and variation in your Hardscape. Or for use in Nano scapes.\u003cbr\u003e\u003cbr\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/span\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an erratic appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu has emerged in recent years and is now one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\u003c!--en--\u003e\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in all sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This creates a natural look. \u003c\/p\u003e\u003c!--en--\u003e\u003cp\u003eA perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\u003c!--en--\u003e\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for finishing the whole or for special NANO scapes. \u003c\/span\u003e\u003c\/p\u003e\u003c!--en--\u003e\u003cp\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. Not a problem for most aquariums.\u003c\/span\u003e\u003c\/p\u003e\u003c!--en--\u003e\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c!--en--\u003e\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is photographed uniquely and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":47854142095692,"sku":null,"price":7.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-small-default-title-dark-seiryu-rock-s114-53449461956940.jpg?v=1730416427"},{"product_id":"dark-seiryu-rock-s115","title":"Dark Seiryu Rock S115","description":"\u003cp\u003e\u003cstrong\u003eDark Seiryu Rock S are smaller stones up to 1000 grams\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese are ideal for detailing and variation in your Hardscape, or for use in Nano scapes.\u003cbr\u003e\u003cbr\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/span\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an erratic appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu has emerged in recent years and has become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in various sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with stones of different sizes. This ensures a natural look. \u003c\/p\u003e\u003cp\u003eA perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. Not a problem for most aquariums.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eImportant for shrimp scapes is to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is uniquely photographed and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":47854142423372,"sku":null,"price":7.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-small-default-title-dark-seiryu-rock-s115-53449465987404.jpg?v=1730428237"},{"product_id":"dark-seiryu-rock-s116","title":"Dark Seiryu Rock S116","description":"\u003cp\u003e\u003cstrong\u003eDark Seiryu Rock S are smaller stones up to 1000 grams\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese are ideal for detailing and variation in your Hardscape. Or for use in Nano scapes.\u003cbr\u003e\u003cbr\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/span\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has a rugged appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and has become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in all sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This creates a natural look. \u003c\/p\u003e\u003cp\u003eA perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eThis stone contains lime and may slightly increase the hardness and thus the pH of the water. Not a problem for most aquariums.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eImportant for shrimp scapes is to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is photographed uniquely and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":47854143177036,"sku":null,"price":7.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-small-default-title-dark-seiryu-rock-s116-53449469821260.jpg?v=1730427166"},{"product_id":"dark-seiryu-rock-s119","title":"Dark Seiryu Rock S119","description":"\u003cp\u003e\u003cstrong\u003eDark Seiryu Rock S are smaller stones up to 1000 grams\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese are ideal for detailing and variation in your Hardscape, or for use in Nano scapes.\u003cbr\u003e\u003cbr\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/span\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an erratic appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and has become one of the most favorite stones.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in all sizes.\u003c\/span\u003e For a beautiful scape, it is important to work with different size stones. This ensures a natural look. \u003c\/p\u003e\n\u003cp\u003eA perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is uniquely photographed and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":47854149566796,"sku":null,"price":7.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-small-default-title-dark-seiryu-rock-s119-53449569173836.jpg?v=1730427223"},{"product_id":"dark-seiryu-rock-s122","title":"Dark Seiryu Rock S122","description":"\u003cp\u003e\u003cstrong\u003eDark Seiryu Rock S are smaller stones up to 1000 grams\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese are ideal for detailing and variation in your Hardscape. Or for use in Nano scapes.\u003cbr\u003e\u003cbr\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/span\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an erratic appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and has now become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in all sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This ensures a natural look. \u003c\/p\u003e\u003cp\u003eA perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for finishing off the whole or for special NANO scapes. \u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. Not a problem for most aquariums.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is uniquely photographed and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":47854207074636,"sku":null,"price":7.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-small-default-title-dark-seiryu-rock-s122-53449639592268.jpg?v=1730427365"},{"product_id":"dark-seiryu-rock-s123","title":"Dark Seiryu Rock S123","description":"\u003cp\u003e\u003cstrong\u003eDark Seiryu Rock S are smaller stones up to 1000 grams\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese are ideal for detailing and variation in your Hardscape, or for use in Nano scapes.\u003cbr\u003e\u003cbr\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/span\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an erratic appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and has now become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in all sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This provides a natural look. \u003c\/p\u003e\n\u003cp\u003eA perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. For most aquariums, this is not a problem.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is uniquely photographed and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":47854207533388,"sku":null,"price":7.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-small-default-title-dark-seiryu-rock-s123-53449642967372.jpg?v=1730428130"},{"product_id":"dark-seiryu-rock-s125","title":"Dark Seiryu Rock S125","description":"\u003cp\u003e\u003cstrong\u003eDark Seiryu Rock S are smaller stones up to 1000 grams\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese are ideal for detailing and variation in your Hardscape. Or for use in Nano scapes.\u003cbr\u003e\u003cbr\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/span\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an irregular appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and is now one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in all sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This ensures a natural look. \u003c\/p\u003e\n\u003cp\u003eA perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is uniquely photographed and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":47854208942412,"sku":null,"price":7.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-small-default-title-dark-seiryu-rock-s125-53449655484748.jpg?v=1730427180"},{"product_id":"dark-seiryu-rock-s129","title":"Dark Seiryu Rock S129","description":"\u003cp\u003e\u003cstrong\u003eDark Seiryu Rock S are smaller stones up to 1000 grams\u003c\/strong\u003e\u003c\/p\u003e\u003c!--en--\u003e\u003cp\u003eThese are ideal for detailing and adding variety to your Hardscape, or for use in Nano scapes.\u003cbr\u003e\u003cbr\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/span\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has a rugged appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu has emerged in recent years and is now one of the most favored stones. \u003c\/span\u003e\u003c\/p\u003e\u003c!--en--\u003e\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in various sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This creates a natural look. \u003c\/p\u003e\u003c!--en--\u003e\u003cp\u003eA perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e  The finishing touch for your aquarium setup.\u003c\/p\u003e\u003c!--en--\u003e\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the overall look or for special NANO scapes. \u003c\/span\u003e\u003c\/p\u003e\u003c!--en--\u003e\u003cp\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums.\u003c\/span\u003e\u003c\/p\u003e\u003c!--en--\u003e\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c!--en--\u003e\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is uniquely photographed and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":47854212481356,"sku":null,"price":7.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-small-default-title-dark-seiryu-rock-s129-53449675669836.jpg?v=1730427298"},{"product_id":"dark-seiryu-rock-m083","title":"Dark Seiryu Rock M083","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eDark Seiryu Rock Medium are stones weighing 1000 to 1500 grams. \u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an erratic appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and has now become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in all sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This ensures a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is photographed uniquely and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":48148521419084,"sku":null,"price":14.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-medium-default-title-dark-seiryu-rock-m083-54338227208524.jpg?v=1730425217"},{"product_id":"dark-seiryu-rock-m086","title":"Dark Seiryu Rock M086","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eDark Seiryu Rock Medium are stones weighing 1000 to 1500 grams. \u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an irregular appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and is now one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in all sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with stones of different sizes. This ensures a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for finishing the whole or for special NANO scapes. \u003c\/span\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone has been photographed individually and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":48148525777228,"sku":null,"price":14.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-medium-default-title-dark-seiryu-rock-m086-54338236809548.jpg?v=1730425364"},{"product_id":"dark-seiryu-rock-m088","title":"Dark Seiryu Rock M088","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eDark Seiryu Rock Medium are stones weighing 1000 to 1500 grams. \u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an irregular appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu has emerged in recent years and is now one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in all sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different size stones. This creates a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium design.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eImportant for shrimp scapes is to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is uniquely photographed and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":48148536656204,"sku":null,"price":14.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-medium-default-title-dark-seiryu-rock-m088-54338253848908.jpg?v=1730417113"},{"product_id":"dark-seiryu-rock-m091","title":"Dark Seiryu Rock M091","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eDark Seiryu Rock Medium are stones weighing 1000 to 1500 grams. \u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an erratic appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu has emerged in recent years and has become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in all sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different size stones. This creates a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. This stone contains lime and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is uniquely photographed and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":48148542128460,"sku":null,"price":14.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-medium-default-title-dark-seiryu-rock-m091-54338267021644.jpg?v=1730425296"},{"product_id":"dark-seiryu-rock-m092","title":"Dark Seiryu Rock M092","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eDark Seiryu Rock Medium are stones weighing 1000 to 1500 grams. \u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an irregular appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and has since become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in various sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This creates a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium design.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is uniquely photographed and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":48148551663948,"sku":null,"price":14.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-medium-default-title-dark-seiryu-rock-m092-54338293891404.jpg?v=1730425023"},{"product_id":"dark-seiryu-rock-l086","title":"Dark Seiryu Rock L086","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eSeiryu Rock L are stones weighing 1.5kg to 2.5kg. \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an irregular appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and has since become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in all kinds of sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This creates a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is uniquely photographed and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":48187967144268,"sku":null,"price":18.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-large-default-title-dark-seiryu-rock-l086-54440949219660.jpg?v=1730426167"},{"product_id":"dark-seiryu-rock-l087","title":"Dark Seiryu Rock L087","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eSeiryu Rock L are stones weighing 1.5kg to 2.5kg. \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has a rugged appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and has since become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in various sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This creates a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. Not a problem for most aquariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is uniquely photographed and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":48187970289996,"sku":null,"price":18.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-large-default-title-dark-seiryu-rock-l087-54440953479500.jpg?v=1730425986"},{"product_id":"dark-seiryu-rock-l088","title":"Dark Seiryu Rock L088","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eSeiryu Rock L are stones weighing 1.5kg to 2.5 kg. \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an irregular appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu emerged in recent years and has become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in various sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This creates a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is uniquely photographed and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":48187975369036,"sku":null,"price":18.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-large-default-title-dark-seiryu-rock-l088-54440958263628.jpg?v=1730425880"},{"product_id":"dark-seiryu-rock-l091","title":"Dark Seiryu Rock L091","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eSeiryu Rock L are stones weighing 1.5kg to 2.5kg. \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an irregular appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu made its appearance in recent years and has since become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in various sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This creates a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-reducing substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with RO water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is photographed uniquely and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":48188015509836,"sku":null,"price":18.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-large-default-title-dark-seiryu-rock-l091-54441025110348.jpg?v=1730425917"},{"product_id":"dark-seiryu-rock-l093","title":"Dark Seiryu Rock L093","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eSeiryu Rock L are stones weighing 1.5kg to 2.5kg. \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eDark Seiryu Rock is black in color and has an erratic appearance. It is the ideal stone for '\u003ca rel=\"null\" aria-describedby=\"a11y-new-window-external-message\" class=\"\" href=\"https:\/\/www.google.com\/search?q=iwagumi\u0026amp;source=lmns\u0026amp;bih=1007\u0026amp;biw=1920\u0026amp;hl=en\u0026amp;sa=X\u0026amp;ved=2ahUKEwj84qyP963vAhXVEsAKHf0fA9QQ_AUoAHoECAEQAA\" target=\"_blank\"\u003eiwagumi\u003c\/a\u003e' scapes. Dark Seiryu has emerged in recent years and has become one of the most favorite stones. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003eWe sell Dark Seiryu Rock in various sizes. \u003c\/span\u003eFor a beautiful scape, it is important to work with different sized stones. This creates a natural look. A perfect addition are the \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/wio-accents\/products\/wio-accent-dark-grey\" rel=\"noopener\" target=\"_blank\"\u003eAccent stones.\u003c\/a\u003e The finishing touch for your aquarium setup.\u003c\/p\u003e\n\u003cp\u003e\u003cspan color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan color=\"#000000\"\u003eWe also sell unique \u003ca href=\"https:\/\/www.hardscape.nl\/products\/wio-darkscape-nano-rock\" rel=\"noopener\" target=\"_blank\"\u003eNano rock stones\u003c\/a\u003e. These very small stones are ideal for completing the whole or for special NANO scapes. \u003c\/span\u003e\u003cspan\u003eThis stone is calcareous and may slightly increase the hardness and thus the pH of the water. This is not a problem for most aquariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFor shrimp scapes, it is important to lower the pH to the desired value with a pH-lowering substrate (\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-scapers-soil-zwart\" class=\"\" aria-describedby=\"a11y-new-window-external-message\" rel=\"null\" target=\"_blank\"\u003eaqua soil\u003c\/a\u003e) or by mixing with osmosis water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003ePlease note, each stone is uniquely photographed and can only be ordered once.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":48188043002188,"sku":null,"price":18.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-large-default-title-dark-seiryu-rock-l093-54441062039884.jpg?v=1730425878"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/collections\/Dark_Seiryu_L-028_1.jpg?v=1760970279","url":"https:\/\/www.hardscape.nl\/en-en\/collections\/dark-seiryu-rock.oembed?page=2","provider":"Hardscape.nl","version":"1.0","type":"link"}