{"title":"CO2 Accessories","description":"\u003cp\u003eAll necessities to maintain or upgrade your \u003ci\u003eCO\u003csub\u003e2\u003c\/sub\u003e\u003c\/i\u003e installation.\u003cbr\u003e\u003cbr\u003eDrop checkers, pH electrodes, calibration fluids, pH computers, diffusers, \u003ci\u003eCO\u003csub\u003e2\u003c\/sub\u003e\u003c\/i\u003e mixers—we have everything you need in stock. Still missing something? Email us at info@hardscape.nl\u003c\/p\u003e","products":[{"product_id":"co2-het-complete-verhaal-e-book","title":"Co2 the complete story e-book","description":"\u003cp data-mce-fragment=\"1\"\u003eOur E-book tells the complete story and function of CO2 in the aquarium. \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eWhat effect does it have on the water? What does it do to the fish? Which system should you use? And above all, do I even need it all? \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eThese and many other questions are answered in our E-book. Learn all about CO2 and how it works. \u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":39640452333757,"sku":"","price":4.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-e-book-default-title-co2-het-complete-verhaal-e-book-51482950009164.jpg?v=1730435961"},{"product_id":"co2-dropchecker-kit-met-vloeistof","title":"CO2 drop checker kit with fluid","description":"\u003cp data-mce-fragment=\"1\"\u003eWith the \"Drop\" CO2 tester kit, you have everything you need to effortlessly calculate the CO2 value of your tank. Just look at the color: is the color light green? Then your CO2 levels are good!\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThis CO2 tester kit is ideal because:\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e• Everything in one package to start measuring immediately\u003cbr data-mce-fragment=\"1\"\u003e• Looks particularly stylish in your tank \u0026amp; almost invisible\u003cbr data-mce-fragment=\"1\"\u003e• Very sturdy laboratory glass: won't break easily\u003cbr data-mce-fragment=\"1\"\u003e• Easy \u0026amp; quick to clean\u003cbr\u003e• Extremely easy CO2 measurement: healthier aquarium plants\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e• Includes refill liquid for the coming years.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":40221370155197,"sku":"","price":19.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-plantenvoeding-default-title-co2-dropchecker-kit-met-vloeistof-51482940997964.jpg?v=1730437820"},{"product_id":"dropchecker-vloeistof-100ml","title":"Drop Checker Solution 100ml","description":"\u003cp\u003ePurchase the refill for your drop checker here.\u003cbr\u003eThe bottle contains 100ml of fluid and is enough to refill your drop checker for years. (depending on how much you spill, of course;)\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":40326625525949,"sku":"","price":7.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-plantenvoeding-default-title-dropchecker-vloeistof-100ml-51482995687756.jpg?v=1730438122"},{"product_id":"co2-dropchecker-zonder-vloeistof","title":"CO2 drop checker without solution","description":"\u003cp data-mce-fragment=\"1\"\u003eIs your drop checker dirty? Or do you need a spare or an extra one? Order a new one here. \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e• Looks very stylish in your tank \u0026amp; almost invisible\u003cbr data-mce-fragment=\"1\"\u003e• Very strong laboratory glass: doesn't break easily\u003cbr data-mce-fragment=\"1\"\u003e• Easy \u0026amp; quick to clean\u003cbr\u003e• Very easy CO2 measurement: healthier aquarium plants\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e• \u003cstrong\u003eExcluding\u003c\/strong\u003e fluid. This can be ordered separately or choose the \u003ca href=\"https:\/\/www.hardscape.nl\/products\/co2-dropchecker\" target=\"_blank\"\u003e\u003cstrong\u003edrop checker kit\u003c\/strong\u003e\u003c\/a\u003e with fluid\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":41005026083005,"sku":"8785261475430","price":12.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-co2-toebehoren-default-title-co2-dropchecker-zonder-vloeistof-51482941489484.jpg?v=1730427130"},{"product_id":"inline-co2-diffusor","title":"Inline CO2 Diffuser","description":"\u003cp\u003eAn inline diffuser is placed between the external filter and the outflow hose.\u003c\/p\u003e\n\u003cp\u003eThis keeps the aquarium clean of extra equipment inside the aquarium itself. \u003cbr\u003ePlease note that there are 2 different hose sizes. Are you unsure about your hose size? Measure the diameter or contact us.\u003c\/p\u003e\n\u003cp\u003eThis diffuser features an integrated bubble counter and check valve.\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"12\/16","offer_id":41602872541373,"sku":"","price":21.99,"currency_code":"EUR","in_stock":true},{"title":"16\/22","offer_id":41602872574141,"sku":"","price":22.99,"currency_code":"EUR","in_stock":false},{"title":"19\/25","offer_id":56542571462988,"sku":null,"price":28.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-co2-diffusor-12-16-inline-co2-diffusor-51483027177804.jpg?v=1730416916"},{"product_id":"co2-terugslagklep","title":"CO2 Non-return Valve","description":"\u003cp\u003eA good check valve ensures that no water from the aquarium enters your CO2 system. This is very important to prevent damage to your CO2 pressure regulator.\u003c\/p\u003e\n\u003cp\u003ePlace this check valve as close as possible to the diffuser. Made of metal and suitable for standard 4\/6mm thick CO2 hoses.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":41602886107325,"sku":"","price":10.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-co2-toebehoren-default-title-co2-terugslagklep-55223332634956.jpg?v=1730416376"},{"product_id":"glazen-u-pipe-co2","title":"Glass U-pipe Co2","description":"\u003cp\u003eFinish your technique beautifully with this glass u-bend. This allows you to connect the Co2 hoses neatly and tidily to the diffuser. Suitable for hose size 4\/6 mm.\u003c\/p\u003e\n\n\u003cp\u003eHeight 50 mm\u003cbr\u003eWidth 15mm.\u003c\/p\u003e\n\n\u003cp\u003eWarm the hose slightly for easy installation.\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":41602894102717,"sku":"","price":5.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-co2-toebehoren-default-title-glazen-u-pipe-co2-51483019018572.jpg?v=1730416964"},{"product_id":"co2-diffusor-xl","title":"CO2 diffuser XL","description":"A large diffuser including suction cups for attachment. For aquariums up to 250 liters. Works with standard 4\/6 mm CO2 tubing.\u003cbr\u003e\u003cbr\u003eTip: slightly warm the tubing before installation. Also, check out the sleek \u003ca href=\"https:\/\/www.hardscape.nl\/products\/glazen-u-pipe\"\u003eU-pipes\u003c\/a\u003e.","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":41602920644797,"sku":"","price":19.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-co2-diffusor-default-title-co2-diffusor-l-51482933166412.jpg?v=1730416738"},{"product_id":"co2-diffusor-medium","title":"CO2 diffuser Medium","description":"\u003cp data-end=\"408\" data-start=\"0\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"0\" data-end=\"408\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"0\" data-end=\"408\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"0\" data-end=\"408\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"0\" data-end=\"408\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"852\" data-start=\"410\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/p\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"852\" data-start=\"410\"\u003e\u003cmeta charset=\"utf-8\"\u003e tight \u003ca href=\"https:\/\/www.hardscape.nl\/products\/glazen-u-pipe\"\u003eU-pipes\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":41602921365693,"sku":"","price":11.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-co2-diffusor-default-title-co2-diffusor-m-51482941391180.jpg?v=1730433429"},{"product_id":"co2-diffusor-nano","title":"CO2 diffuser Nano","description":"A nano diffuser including suction cups for attachment. For aquariums up to 80 liters. Works with standard \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/co2-toebehoren\/products\/co2-slang-5-meter-transparant\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eCO2 hoses\u003c\/a\u003e of 4\/6 mm. \u003cbr\u003e\u003cbr\u003eTip: heat the hose slightly before assembly. Also check out our sleek \u003ca href=\"https:\/\/www.hardscape.nl\/products\/glazen-u-pipe\"\u003eU-pipes\u003c\/a\u003e.","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":41603068264637,"sku":"","price":9.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-co2-diffusor-default-title-co2-diffusor-nano-51482941522252.jpg?v=1730417568"},{"product_id":"aqua-noa-easyflex-co2slang-5-meter-transparant","title":"AQUA NOA Easyflex CO2 Hose 5 meter transparent","description":"\u003cp\u003eDone with those black or green hoses? Finish off your aquarium with this transparent CO2 hose. Made of high-quality, durable plastics that ensure long-lasting operation without loss of flexibility or deformation.\u003c\/p\u003e\n\u003cp\u003eThis silicone hose is 5 meters long and can be cut to the desired length.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong data-mce-fragment=\"1\"\u003eHose diameter: \u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e4\/6 mm, 13 bar pressure tested.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":41603130523837,"sku":"","price":5.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-co2-toebehoren-default-title-aqua-noa-easyflex-co2slang-5-meter-transparant-51482940244300.jpg?v=1730417057"},{"product_id":"complete-co2-set-met-2kg-fles","title":"Complete CO2 set 2kg","description":"\u003cp\u003eAre you looking for the ultimate way to transform your aquarium into a lush, green underwater landscape?\u003c\/p\u003e\n\u003cp\u003eLook no further! Our CO2 set is the solution you need to make your aquarium plants flourish and keep your fish and shrimp happy and healthy.\u003c\/p\u003e\n\u003cp\u003eWhat do you get in this combination of an Aqua Noa Profi 400M and extras?\u003c\/p\u003e\n\u003cp\u003e🌱 \u003cstrong\u003e2 kg refillable CO2 bottle (filled)\u003c\/strong\u003e: Our bottle ensures a constant supply of CO2, so your plants always receive the perfect amount.\u003c\/p\u003e\n\u003cp\u003e🌱 \u003cstrong\u003ePressure regulator with dual manometer and solenoid valve\u003c\/strong\u003e: Precisely control the pressure and regulate CO2 output with ease.\u003c\/p\u003e\n\u003cp\u003e🌱 \u003cstrong\u003eCO2 hose\u003c\/strong\u003e: High-quality hose for a leak-free connection.\u003c\/p\u003e\n\u003cp\u003e🌱 \u003cstrong\u003eGlass U-pipe\u003c\/strong\u003e: For even CO2 distribution in your aquarium.\u003c\/p\u003e\n\u003cp\u003e🌱 \u003cstrong\u003eGlass diffuser\u003c\/strong\u003e: Disperses fine CO2 bubbles for maximum absorption by your plants.\u003c\/p\u003e\n\u003cp\u003e🌱 \u003cstrong\u003eBubble counter with built-in check valve\u003c\/strong\u003e: Accurately monitor CO2 output and prevent water from flowing back into your system.\u003c\/p\u003e\n\u003cp\u003e🌱 \u003cstrong\u003e4 transparent suction cups\u003c\/strong\u003e: For secure and stable mounting.\u003c\/p\u003e\n\u003cp\u003e🌱 \u003cstrong\u003eGlass drop checker with fluid\u003c\/strong\u003e: Easily monitor CO2 levels in your aquarium.\u003c\/p\u003e\n\u003cp\u003e🌱 \u003cstrong\u003eMounting wrench\u003c\/strong\u003e: Simplifies installation, so you can get started quickly.\u003c\/p\u003e\n\u003cp\u003e🌱 \u003cstrong\u003eOur premium CO2 E-book\u003c\/strong\u003e: Learn everything you need to know about using CO2 in your aquarium for the best results.\u003c\/p\u003e\n\u003cp\u003eBut that's not all! We also highly recommend using a \u003ca href=\"https:\/\/www.hardscape.nl\/products\/milwaukee-mc122-ph-controller?keyword=ph%20comp\"\u003e\u003cstrong\u003ePH computer\u003c\/strong\u003e\u003c\/a\u003e instead of a timer switch. With the PH computer, the acidity of your water is closely monitored, and CO2 delivery stops before the water becomes too acidic. This ensures that your fish and shrimp remain safe and thrive in an optimal aquarium environment.\u003c\/p\u003e\n\u003cp\u003eDon't wait any longer! Transform your aquarium into a beautiful underwater landscape with our complete CO2 set. Your plants will thank you, and your aquarium will look better than ever before. Order today and enjoy the benefits of a healthier and greener aquarium! 🌿🐠🌟\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":41603165847741,"sku":"","price":214.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-co2-set-default-title-complete-co2-set-met-2kg-fles-51482946077004.jpg?v=1730416893"},{"product_id":"inline-co2-diffusor-glass","title":"Inline CO2 Diffuser Glass","description":"\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eWith this glass diffuser, you have a special item. A piece of aesthetics instead of its plastic brothers. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eYou place an inline diffuser between the external filter and the outflow hose. \u003cbr\u003eThis keeps the aquarium clean of extra equipment inside the aquarium itself. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003ePlease note that there are 2 different hose sizes. Are you unsure about your hose size? Measure the diameter or contact us. \u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"12\/16 mm","offer_id":42039878877373,"sku":"8785261502983","price":33.99,"currency_code":"EUR","in_stock":true},{"title":"16\/22 mm","offer_id":42039878910141,"sku":"","price":34.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-co2-diffusor-12-16-mm-inline-co2-diffusor-glass-51483023311180.jpg?v=1730428661"},{"product_id":"co2-mixer-200","title":"CO2 Mixer 200","description":"\u003ch3 data-mce-fragment=\"1\"\u003eThis Co2 Mixer \/ Reactor 200 Min is for aquariums up to 200 litres. \u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Mixer \/ Reactor is placed outside the aquarium. This mixer is placed between the external filter and the inflow to the aquarium. \u003cbr\u003e\u003cbr\u003eDue to the power of the filter, the \u003cspan data-mce-fragment=\"1\"\u003eCO\u003csub data-mce-fragment=\"1\"\u003e2 \u003c\/sub\u003e\u003c\/span\u003eis mixed in the housing, which allows it to be absorbed even better than with regular diffusers or bubble counters. \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eIn the Mixer \/ Reactor, \u003cspan data-mce-fragment=\"1\"\u003eCO\u003csub data-mce-fragment=\"1\"\u003e2 \u003c\/sub\u003e\u003c\/span\u003eis added via a 6mm hose that connects to the push-fit coupling on the head. Inside the housing, the \u003cspan data-mce-fragment=\"1\"\u003eCO\u003csub data-mce-fragment=\"1\"\u003e2 \u003c\/sub\u003e\u003c\/span\u003eis further reduced and mixed with the water. \u003cbr\u003e\u003cbr\u003eThe return flow helps distribute it better in the aquarium water.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003ePLEASE NOTE\u003c\/strong\u003e: Set the pressure regulator of the CO\u003csub data-mce-fragment=\"1\"\u003e2 \u003c\/sub\u003ecylinder to a maximum of 0.5 bar. \u003cbr\u003eThe head is equipped with 22\/16mm hose connectors.\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eHeight is approx. 20cm\u003cbr\u003eWidth is approx. 12 cm\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-profi-line-bellenteller?_pos=1\u0026amp;_sid=510fae055\u0026amp;_ss=r\"\u003eBubble counter\u003c\/a\u003e is not included.\u003cbr\u003e\u003cbr\u003eThe special mounting bracket is optional.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eInstallation:\u003c\/h3\u003e\n\u003cp\u003e-Connect the \u003cspan data-mce-fragment=\"1\"\u003eCO\u003csub data-mce-fragment=\"1\"\u003e2 \u003c\/sub\u003e\u003c\/span\u003emixer to the outflow of the external filter. \u003cbr\u003e-Connect the \u003cspan data-mce-fragment=\"1\"\u003eCO\u003csub data-mce-fragment=\"1\"\u003e2 \u003c\/sub\u003e\u003c\/span\u003ehose in the middle of the mixer head. \u003cbr\u003e-Tighten the head firmly onto the canister. \u003cbr\u003e-Restart the filter and turn on the \u003cspan data-mce-fragment=\"1\"\u003eCO\u003csub data-mce-fragment=\"1\"\u003e2 \u003c\/sub\u003e\u003c\/span\u003esystem. \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Including brace","offer_id":42389548171453,"sku":"","price":74.95,"currency_code":"EUR","in_stock":true},{"title":"Exclusive brace","offer_id":42389548204221,"sku":"","price":64.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-co2-diffusor-inclusief-beugel-co2-mixer-200-51482941981004.jpg?v=1730417899"},{"product_id":"co2-mixer-200plus","title":"CO2 Mixer 200Plus","description":"\u003cp\u003eThis CO\u003csub data-mce-fragment=\"1\"\u003e2\u003c\/sub\u003e Mixer \/ Reactor 200 Plus is for aquariums from 200 litres.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Mixer \/ Reactor is placed outside the aquarium. You place this mixer between the external filter and the inlet to the aquarium. Due to the power of the filter, the CO\u003csub data-mce-fragment=\"1\"\u003e2\u003c\/sub\u003e is mixed in the housing, allowing it to be absorbed even better than with regular diffusers or bubble counters.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eIn the Mixer \/ Reactor, CO\u003csub data-mce-fragment=\"1\"\u003e2\u003c\/sub\u003e is added via a 6mm hose that you connect to the push-in fitting on the head. In the housing, the CO\u003csub data-mce-fragment=\"1\"\u003e2\u003c\/sub\u003e is further reduced in size and mixed with the water. Due to the recirculation, it is better distributed in the aquarium water.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003ePLEASE NOTE\u003c\/strong\u003e: Ensure there is a \u003ca href=\"https:\/\/www.hardscape.nl\/products\/co2-terugslagventiel?_pos=1\u0026amp;_sid=0dfca7347\u0026amp;_ss=r\"\u003echeck valve\u003c\/a\u003e between the CO\u003csub data-mce-fragment=\"1\"\u003e2\u003c\/sub\u003e connection on the mixer. Otherwise, water can flow back into the hose when the CO\u003csub data-mce-fragment=\"1\"\u003e2\u003c\/sub\u003e supply stops.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe head is equipped with 22\/16mm hose barb fittings. Suitable for, among others, Oase Biomasters and Fitosmart 200,300. Larger Eheim and Aquael pumps. Not sure what hose size you have? Let us know and we'll help you further!\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eHeight is approx. 30cm\u003cbr\u003eWidth is approx. 12 cm\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003ca href=\"https:\/\/www.hardscape.nl\/products\/dennerle-profi-line-bellenteller?_pos=1\u0026amp;_sid=510fae055\u0026amp;_ss=r\"\u003eBubble counter\u003c\/a\u003e is not included.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eDon't forget to order the \u003ca href=\"https:\/\/www.hardscape.nl\/products\/co2-mixer-ophangbeugel?_pos=2\u0026amp;_sid=9d3f50d31\u0026amp;_ss=r\"\u003ehanging bracket\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":42397528424637,"sku":"","price":79.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-co2-diffusor-default-title-co2-mixer-200plus-51482939162956.jpg?v=1730418392"},{"product_id":"milwaukee-mc122-ph-controller","title":"Milwaukee MC122 pH Controller","description":"\u003cp data-mce-fragment=\"1\"\u003eThe MC122 is a professional pH controller of European manufacture. Perfect for connecting to your Co2 set. By using a pH controller, you prevent an excess of Co2 in the aquarium water with all its consequences. \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eConnect a solenoid valve to the power strip of the pH controller, place the electrode in the aquarium, and set the pH value. Before using the controller, it is advisable to calibrate it with the supplied liquid sachets. \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe pH controller continuously measures the current pH value of the aquarium. If it exceeds the set value, it opens the Co2 until it reaches the set value. After this, it automatically shuts off the Co2 supply.\u003c\/p\u003e\n\u003cp\u003eWe do not work without these Controllers and are very pleased with their quality and ease of use. \u003c\/p\u003e\n\u003cp\u003eSet includes the pH electrode.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003ePLEASE NOTE! The controller CANNOT be used with a \u003cspan style=\"text-decoration: underline;\"\u003e12-volt\u003c\/span\u003e solenoid valve. These are also sold by other brands; you can recognize them by a USB power source. \u003cbr\u003e\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOur Co2 sets and other accessories ARE, of course, suitable for this pH computer.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":42357398962365,"sku":"","price":163.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-ph-controller-default-title-milwaukee-mc122-ph-controller-51483021574476.jpg?v=1730417966"},{"product_id":"co2-mixer-ophangbeugel","title":"CO2 Mixer Hanging Bracket","description":"\u003cspan data-mce-fragment=\"1\"\u003eWith this special hanging bracket, you can attach the mixer to the wall, aquarium cabinet, or anywhere else. Comes with 4 screws for the mixer head. Plugs and screws for the wall or cabinet are not included.\u003c\/span\u003e\u003csub data-mce-fragment=\"1\"\u003e \u003c\/sub\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":42404622631101,"sku":"","price":9.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-co2-diffusor-default-title-co2-mixer-ophangbeugel-51482950140236.jpg?v=1730418661"},{"product_id":"plastic-bellenteller","title":"Plastic bubble counter","description":"\u003cmeta charset=\"UTF-8\"\u003e\u003cp\u003eThis plastic aquarium bubble counter is ideal for hiding away in your aquarium cabinet. Simply screw it in place and you're done...\u003c\/p\u003e\u003cp\u003e• Super easy to fill: just unscrew the cap\u003cbr\u003e• Easy to mount in the cabinet or on the aquarium glass\u003cbr\u003e• Sturdy plastic connections for standard CO2 hoses\u003c\/p\u003e\u003cp\u003eWith this bubble counter, you can clearly see how many CO2 bubbles you're adding to your aquarium. This allows for safer adjustments, which is good for both your plants and your fish!\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":46898371690828,"sku":"","price":12.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-co2-toebehoren-default-title-plastic-bellenteller-51483048706380.jpg?v=1730423659"},{"product_id":"co2-profi-lekdetector","title":"CO2 professional leak detector","description":"\u003cp\u003eIs your CO\u003ci\u003e\u003csub\u003e2\u003c\/sub\u003e\u003c\/i\u003e cylinder emptying suspiciously quickly? You probably have a minuscule leak somewhere in your CO\u003ci\u003e\u003csub\u003e2\u003c\/sub\u003e\u003c\/i\u003e system where your CO\u003ci\u003e\u003csub\u003e2\u003c\/sub\u003e\u003c\/i\u003e is escaping. This industrial leak detector can help you detect the leak.\u003c\/p\u003e\n\u003cp\u003e• Works much more precisely and quickly than soapy water\u003cbr\u003e• Ready to use, just spray on the connection\u003cbr\u003e• Bubbles instantly, even with very small leaks\u003cbr\u003e• You need very little, 1 bottle is enough for years\u003c\/p\u003e\n\u003cp\u003eThis bottle will probably last you your entire aquarist career. Quickly detect leaks and save on your CO\u003ci\u003e\u003csub\u003e2\u003c\/sub\u003e\u003c\/i\u003e. The cost will be recouped from the very first leak.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"row no-gutters\"\u003e\n\n\u003cdiv class=\"col-md-6\"\u003e\n\n\u003cdiv class=\"left-text-content small-padding-top  no-after-bg first-item\"\u003e\n\n\u003ch2\u003eWhat is this product?\u003c\/h2\u003e\n\n\u003cdiv class=\"user-content\"\u003e\n\n\u003cp\u003eThere's nothing as annoying as a CO\u003ci\u003e\u003csub\u003e2\u003c\/sub\u003e\u003c\/i\u003e leak in your \u003ca href=\"https:\/\/planted-box.com\/product\/complete-aquarium-co2-set\/\"\u003eCO2 system\u003c\/a\u003e. You've just connected your new \u003ca href=\"https:\/\/planted-box.com\/product\/co2-fles\/\"\u003eCO2 cylinder\u003c\/a\u003e and sure enough… a few days later it's already empty.\u003c\/p\u003e\n\n\u003cp\u003eNot only do you lose money on that CO\u003ci\u003e\u003csub\u003e2\u003c\/sub\u003e\u003c\/i\u003e, but your tank is also without CO\u003ci\u003e\u003csub\u003e2\u003c\/sub\u003e\u003c\/i\u003e again, with all the consequences: your plants suffer from CO\u003ci\u003e\u003csub\u003e2\u003c\/sub\u003e\u003c\/i\u003e deficiency, they start to slime, and you eventually get algae.\u003c\/p\u003e\n\n\u003cp\u003eExactly what you want to avoid…\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"col-md-6\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\u003cdiv class=\"row no-gutters row-reverse\"\u003e\n\n\u003cdiv class=\"col-md-6\"\u003e\n\n\u003cdiv class=\"left-text-content  text-bg  second-item\"\u003e\n\n\u003ch2\u003eIndustrial leak detector: fast and efficient\u003c\/h2\u003e\n\n\u003cdiv class=\"user-content\"\u003e\n\n\u003cp\u003eYou can use soapy water to detect a leak, but let's be honest: it's not convenient, and are those bubbles from the soap or from a leak? Moreover, soapy water mainly works for larger leaks, but if you have a super tiny CO\u003ci\u003e\u003csub\u003e2\u003c\/sub\u003e\u003c\/i\u003e leak, there's a good chance it won't be noticed with soapy water.\u003c\/p\u003e\n\n\u003cp\u003eThis leak detector is a product also used in the gas industry. The advantage is that it immediately starts to bubble even with the smallest leak. Furthermore, it bubbles much more intensely than soapy water, making it much quicker to notice and seal the leak.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":46898372215116,"sku":null,"price":11.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-co2-toebehoren-default-title-co2-profi-lekdetector-51482944307532.jpg?v=1730423270"},{"product_id":"aqua-noa-easyflex-co2-slang-5-meter-zwart","title":"AQUA NOA Easyflex CO2 Hose 5 meters black","description":"\u003cp\u003eThis black \u003cspan data-mce-fragment=\"1\"\u003eCO\u003csub data-mce-fragment=\"1\"\u003e2\u003c\/sub\u003e\u003c\/span\u003e hose is ideal for easy concealment and is made of high-quality pressure-resistant plastic. \u003c\/p\u003e\n\u003cp\u003eThis silicone hose is 5 meters long and can be cut to the desired length. \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong data-mce-fragment=\"1\"\u003eHose diameter:\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e4\/6 mm, 13 bar pressure tested.\u003c\/span\u003e\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":47005251764556,"sku":null,"price":5.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-co2-toebehoren-default-title-aqua-noa-easyflex-co2-slang-5-meter-zwart-55185162010956.png?v=1730429702"},{"product_id":"aqua-noa-co2-diffusor-fd1","title":"Aqua Noa CO2 Diffuser FD1","description":"\u003ch3\u003eAqua Noa CO2 Filter Diffuser FD1: Innovative CO2 Diffusion for Aquariums\u003c\/h3\u003e\u003cp\u003eDiscover the innovative \u003cstrong\u003eAqua Noa CO2 filter diffuser FD1\u003c\/strong\u003e, which offers a more efficient approach to CO2 diffusion in aquariums compared to traditional in-line diffusers.\u003c\/p\u003e\u003ch4\u003eEfficient CO2 Diffusion\u003c\/h4\u003e\u003cp\u003eThe Aqua Noa CO2 filter diffuser FD1 maximizes your pump's outflow power thanks to a unique separate chamber and a special membrane that presses CO2 directly into the water.\u003c\/p\u003e\u003ch4\u003eFlexible Mounting Options\u003c\/h4\u003e\u003cp\u003eThe FD1 can be mounted flexibly, both horizontally and vertically, making it ideal for aquariums of any size, even with limited cabinet space. For optimal performance, the bubble counter should always point downwards.\u003c\/p\u003e\u003ch4\u003eSafe and Reliable\u003c\/h4\u003e\u003cp\u003eWith the patented \u003cstrong\u003eSafe-NutsR system\u003c\/strong\u003e, you prevent the risks of loose hoses. This system ensures a firm attachment, while additional hose clamps provide further protection against accidental disconnections due to water pressure.\u003c\/p\u003e\u003ch4\u003eMaintenance-Friendly Design\u003c\/h4\u003e\u003cp\u003eMaintain your CO2 system effortlessly thanks to the inspection glass that is easy to unscrew and clean with lukewarm water. For replacement, you can easily order a new set that includes a fresh membrane and sealing rings.\u003c\/p\u003e\u003ch4\u003eCompatibility with Various Hose Sizes\u003c\/h4\u003e\u003cp\u003eThe Aqua Noa CO2 filter diffuser FD1 is available for 12\/16mm and 16\/22mm hoses, making it suitable for various aquarium configurations.\u003c\/p\u003e\u003cp\u003eIntegrate the \u003cstrong\u003eAqua Noa CO2 Filter Diffuser FD1\u003c\/strong\u003e into your aquarium setup for improved care and maintenance of your aquarium environment.\u003c\/p\u003e\u003cp\u003eOptimize your aquarium experience with the Aqua Noa CO2 filter diffuser FD1 and experience a new dimension of CO2 diffusion and ease of maintenance.\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"12\/16 mm","offer_id":47107642556748,"sku":"","price":29.99,"currency_code":"EUR","in_stock":true},{"title":"16\/22 mm","offer_id":47107642622284,"sku":"","price":29.99,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/IMG_5940.heic?v=1694613501"},{"product_id":"aqua-noa-fd1-2-onderdelen-set","title":"Aqua Noa FD1\/2 Parts Set","description":"\u003cp\u003eWith this set you can replace the sight glass and sealing rubbers of your \u003ca href=\"https:\/\/www.hardscape.nl\/products\/aqua-noa-co2-filter-diffusor-fd1?keyword=fd1\"\u003eFD1\/FD2\u003c\/a\u003e diffuser.\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":47107658154316,"sku":"","price":6.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-co2-diffusor-default-title-aqua-noa-fd1-2-onderdelen-set-52881203659084.jpg?v=1730436376"},{"product_id":"co2-montagesleutel-drukregelaar","title":"CO2 pressure regulator spanner","description":"\u003cp\u003eThis mounting wrench allows you to easily secure the pressure regulator to the CO\u003ci\u003e\u003csub\u003e2\u003c\/sub\u003e\u003c\/i\u003e cylinder. Suitable for almost all pressure regulators, except those from CO\u003ci\u003e\u003csub\u003e2-\u003c\/sub\u003e\u003c\/i\u003eart. \u003c\/p\u003e\n\u003cp\u003eThe mounting wrench has a size of M21.8 x 1\/4\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":48123645854028,"sku":"","price":5.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-co2-toebehoren-default-title-co2-montagesleutel-drukrgelaar-54248944697676.jpg?v=1730424071"},{"product_id":"co2-fles-2kg","title":"CO2 bottle 2kg","description":"\u003cp\u003eLooking for a new refillable CO2 cylinder?\u003c\/p\u003e\n\u003cp\u003eWe sell new 2kg cylinders, fully filled and ready for use.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":48873193079116,"sku":null,"price":89.99,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/6927518F-C9D1-479D-9610-10DF135176FB.jpg?v=1728894508"},{"product_id":"ma955-milwaukee-magneetklep","title":"MA955 Milwaukee Solenoid Valve","description":"\u003cp\u003eHas your solenoid valve failed? This replacement solenoid valve is the ideal solution. Its high-quality design ensures compatibility with all CO2 pressure regulators, making it versatile. Moreover, the solenoid valve is easy to install, allowing you to get back to work quickly.\u003c\/p\u003e\n\u003cp\u003eThe valve operates on 220 volts, making it suitable for use with pH computers and other CO2-related equipment. Thanks to its reliable and durable design, this solenoid valve offers a long lifespan and optimal performance, ensuring you can continue working with your CO2 system worry-free.\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":48898685272396,"sku":null,"price":49.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/F6A2882F-15CF-4E35-BD73-B42DE1CFAAD5.jpg?v=1729332805"},{"product_id":"rvs-u-pipe-co2","title":"Stainless steel U-pipe CO2","description":"\u003cp\u003eFinish your technique beautifully with this stainless steel U-bend. This allows you to connect the Co2 hoses tightly and neatly to the diffuser. Suitable for hose size 4\/6 mm.\u003cbr\u003e\u003cbr\u003eHeight 50 mm\u003cbr\u003eWidth 15mm.\u003cbr\u003e\u003cbr\u003eHeat the hose slightly for easy assembly.\u003c\/p\u003e","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":56008079868236,"sku":null,"price":5.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/848713C2-CB9E-4A38-A026-1AB7839CB81C.jpg?v=1763735188"},{"product_id":"co2-diffusor-nano-hoog","title":"CO2 diffuser Nano tall","description":"A nano diffuser including suction cups for attachment. For aquariums up to 80 liters. Works with standard \u003ca href=\"https:\/\/www.hardscape.nl\/collections\/co2-toebehoren\/products\/co2-slang-5-meter-transparant\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eCO2 hoses\u003c\/a\u003e of 4\/6 mm. \u003cbr\u003e\u003cbr\u003eTip: heat the hose slightly before assembly. And also check out the sleek \u003ca href=\"https:\/\/www.hardscape.nl\/products\/glazen-u-pipe\"\u003eU-pipes\u003c\/a\u003e.","brand":"Hardscape.nl","offers":[{"title":"Default Title","offer_id":56008187543884,"sku":null,"price":11.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/files\/hardscape-nl-co2-diffusor-default-title-co2-diffusor-nano-51482941522252.jpg?v=1730417568"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0542\/1249\/3501\/collections\/co2_slang.jpg?v=1698662732","url":"https:\/\/www.hardscape.nl\/en-en\/collections\/co2-toebehoren.oembed","provider":"Hardscape.nl","version":"1.0","type":"link"}