The Planted Tank Forum - View Single Post - Do you really need a pH controller?
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post #4 of (permalink) Old 02-20-2013, 05:35 PM
Planted Tank Obsessed
Join Date: Feb 2010
Location: Woodstock, IL
Posts: 354
Just what plantbrain said. I have one but dont use it. Maintaining that probe so it reads accurately is a real pain, constantly calibrating it, and its so expensive to replace and doesnt last all that long.
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