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Re: [APD] CO2 problems (??)
Barry Anderberg wrote:
> By the way, correct me if I am wrong but KH 9 and pH 7.0 yields about 27
> ppm of CO2. Not 170.
> I use the formula: 3*KH*(10^7-pH)
> That means 3*9*(10^0) = 3*9*1 = 27 ppm.
> Or am I missing something?
Nope. That's correct. Man, don't do that on your calculator every day.
What a pain. Chuck Gadd has a calculator and so do I:
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