The Planted Tank Forum - View Single Post - CO2 Chart
Thread: CO2 Chart
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Old 08-31-2009, 02:53 PM   #25
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there are a lot of variables in a tank that affect the ph & kh, so the CO2 chart is inaccurate for the most part.

In a drop checker however, the KH is constant.. the PH changes depending on the amount of CO2 available.
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