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Aqua Medic Bubble Counter
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The Aqua Medic bubble counter is a simple and safe unit for controlling the CO2 dosage into aquariums. It is filled up to the half with water and switched between pressure regulator or solenoid valve and the CO2 reactor, so that it remains without pressure. An integrated check valve prevents water from flowing back. Comes with strong mounting plate.
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Milwaukee Instruments MA957 Solenoid Valve, CO2 Regulator with Bubble Counter
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The Milwaukee Instruments MA957 Solenoid Valve, CO2 Regulator with Bubble Counter also includes a needle valve and comes with dual gauge. The left gauge meters tank capacity and the right gauge meters flow. The needle valve flow control provides for precise measurement. The solenoid valve comes with a 1.5 meter power cord.
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