The Planted Tank Forum - View Single Post - ~Explanation of how a drop checker works~
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Old 05-09-2011, 05:39 AM   #11
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He was saying that KH doesn't affect the RATE of change of the pH due to CO2. 0 to 30 ppm will always cause a 1 point pH swing. The rate is (1 point per 30 ppm). He is saying that that rate is not affected by KH. However KH does affect the actual pH itself. It is kind of complicated to explain because it involves calculus and derivatives.

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