The Planted Tank Forum - View Single Post - Do you really need a pH controller?
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post #2 of (permalink) Old 02-20-2013, 02:30 AM
Darkblade48's Avatar
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Having a pH controller will control the pH through injection of CO2, but will not alter kH in any way.

I'm not sure how having one would defeat the purpose of injecting CO2 for photosynthesis. However, that being said, a pH controller is not needed, though it is a nice luxury piece of equipment to have.


A Primer to Pressurized CO2 and A Primer to Planted Tanks
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