The Planted Tank Forum - View Single Post - Do you really need a pH controller?
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post #1 of (permalink) Old 02-20-2013, 01:26 AM Thread Starter
Wannabe Guru
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Join Date: Jan 2013
Location: San Jose, CA
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Do you really need a pH controller?

I know some people use the pH controller to achieve the desired pH and kH level in the tank. But isn't that defeat the purpose of injecting CO2 for the plants to photosensitizing?
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