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Question for George Booth
>Mike Roberts wrote:
>>What pH are you running on that tank? With that low of a dGH the pH
>>must not be too low otherwise the CO2 concentration would be awfully
>You've got it backwards. With a low KH, you need _less_ CO2 to drop the
>pH, not more. With a KH of 2, 14.8 mg/l of CO2 will give you a pH of 6.6.
>With a KH of 4, you'd need 30 mg/l to achieve the same pH.
Sorry, I misread your post. Still, I suspect I read your meaning