When used with a carbon dioxide regulator, the bubble counter can calculate the amount of carbon dioxide and provide enough carbon dioxide for the aquarium G1/8 port control valve is suitable for single head solenoid valve. If there is no G1/8 interface, it is suitable for 4*6mm air hose (inner diameter 4mm and outer diameter 6mm) It has the function of preventing backflow, preventing backflow when pressure changes, and protecting the water pressure gauge and carbon dioxide cylinder For general aquariums, it is recommended to blow 2-3 CO2 bubbles per second, which can be adjusted depending on planting density Made of aluminum alloy, strong and solid. Plus, it’s easy to install and remove CO2 Bubble Counter Bubble counter with check valve can prevent backflow when pressure changes, protecting water pressure gauge and CO2 gas cylinder. It is easy to install and use and is a good choice for custom aquariums. It can calculate the amount of carbon dioxide and provide enough carbon dioxide
