The Planted Tank Forum - View Single Post - Bubble counter and check valve question
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post #4 of (permalink) Old 11-11-2012, 04:25 AM
Wannabe Guru
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Join Date: Dec 2003
Location: Taunton ,MA
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I've had mine set as low as 10psi to as high as 45psi over the years with no problems , But would not trust that check valve that's built in , I have a check valve before and after my bubble counter just to be safe.
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