The Planted Tank Forum - View Single Post - What is your CO2 ppm?
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Old 05-25-2004, 06:27 PM   #11
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well, according to the simplified calcs, I have around 72ppm CO2. My fish seem perfectly healthy

One thing to consider is that the spread sheets are best case scenario meaning that all protons (H+) comes from carbonic acid. If you have any other source of protons such as tannic or humic acids, from driftwoods or peat...then the CO2 table OVERPREDICTS CO2 levels.

I really doubt that many people really have the CO2 levels they think they have (if just using the KH/PH table).
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