thread: Low PH problem
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Old 12/04/2017, 07:02 PM   #11
RC Mod
Join Date: Mar 2002
Location: Mountain View, CA, USA
Posts: 87,341
Kalk is cheap to use, and it might help. In a lot of cases, though, the aeration rate of the tank is high enough that the effect is minimal. I don't have any useful statistics on the subject, though.

Jonathan Bertoni
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