Crow Posted April 19 Share Posted April 19 Hello all I discovered a few days ago that the c02 on my smallest tank wasn’t shutting off at night. I run airstones in my tanks with c02 and the good news is the fish seem ok. After ruling out my Wi-Fi switch as the problem I think my regulator has failed and is stuck open. However when I went to pull the regulator off I realized the c02 can’s shut-off valve isn’t stopping the flow of c02 even though I have it turned all the way to the “closed” position. I’m not sure if the shut-off valve on my c02 can (which is a 5 pound can) has also failed somehow or if the faulty regulator is keeping the shut-off valve from closing properly. I’m also unsure of how to proceed from here. I’m really new to c02 so any advice would be appreciated! Link to comment Share on other sites More sharing options...
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