martinmin Posted May 11 Share Posted May 11 I started to inject co2 into my fish tank with a timer and set it the same with the light. however, it can control the light timing well, but co2 injection is 24 hours always, even if I unplug the power of the co2 system. I use the same timer to control the light and the co2 system. And the timer I have is: https://www.amazon.com/GE-Mechanical-Intervals-Decorations-46211/dp/B07YQKNC4D/ref=asc_df_B07YQKNC4D/?tag=hyprod-20&linkCode=df0&hvadid=385182567079&hvpos=&hvnetw=g&hvrand=15723195180227362869&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9031936&hvtargid=pla-889759243567&psc=1&tag=&ref=&adgrpid=80210700644&hvpone=&hvptwo=&hvadid=385182567079&hvpos=&hvnetw=g&hvrand=15723195180227362869&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9031936&hvtargid=pla-889759243567 Since the timer is good with the lighting, it must be due to something else. Why does a pressurized co2 system release gas even if the power is off? Link to comment Share on other sites More sharing options...
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