The Planted Tank Forum - View Single Post - CO2 System Question
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post #4 of (permalink) Old 01-27-2013, 12:33 PM
Wannabe Guru
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Join Date: Jun 2009
Location: Canada
Posts: 1,806
I highly recommend a quality check valve, a bubble counter, and a timer. But I have to agree, a pH controller is really not required.

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25g 60-P iwagumi , 33g iwagumi cube, 125g high tech 7g cube, 75g low tech angelfish tank
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