The aquarium CO2 regulator with solenoid and drop checker is a crucial piece of equipment for maintaining the optimal carbon dioxide levels in your fish tank. This unit includes a solenoid valve for control of CO2 release when used with a timer, as well as a needle valve and drop checker to monitor the CO2 flow. Perfect for aquarium enthusiasts looking to create a healthy environment for their fish, this regulator ensures a steady supply of CO2 to promote healthy plant growth and thriving fish. Includes approx. 1.2m of CO2 tube and non-return valve (not tested). Connector fits a standard CO2 cylinder
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