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bertoni · 10/12/2014, 05:11 AM

When photosynthesis is occurring, the skimmer might act to bring carbon dioxide back into the water. So cutting back on aeration can raise the pH.

10/12/2014, 05:11 AM	#347
bertoni RC Mod Join Date: Mar 2002 Location: Mountain View, CA, USA Posts: 88,616	When photosynthesis is occurring, the skimmer might act to bring carbon dioxide back into the water. So cutting back on aeration can raise the pH. __________________ Jonathan Bertoni