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#7
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![]() Four bubbles of CO2 a min isn't a heck of a lot.
I can see that on it's own the pH should drop tho if it is anerobic. How low does an anerobic zone go I wonder? maybe it has stabilized itself and 6.8 is the pH of a denitrificator.
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Darren Always strive for the optimum environment, not the minimum environment ----------------------------------- |