Plastic bubble counter

This plastic aquarium bubble counter is ideal for hiding away in your aquarium cabinet. Simply screw it in place and you're done...

• Super easy to fill: just unscrew the cap
• Easy to mount in the cabinet or on the aquarium glass
• Sturdy plastic connections for standard CO2 hoses

With 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!