The Planted Tank Forum - View Single Post - Turning off CO2 at night
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post #1 of (permalink) Old 01-11-2013, 04:56 PM Thread Starter
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Turning off CO2 at night

I have a small CO2 rig I just set up. Paintball canister with an ASA on/off, pressure gauge and needle valve, attached to a check valve, bubble counter, and diffuser. I want to turn the CO2 off at night to maintain a stable pH for my shrimp. Can I just turn off the CO2 via the ASA on/off and then turn it on in the morning? I wouldn't need to mess with the needle valve right?
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