The Planted Tank Forum - View Single Post - Bubble counter... how often do you change fluid?
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post #2 of (permalink) Old 02-03-2013, 04:45 PM
Algae Grower
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Join Date: Nov 2008
Location: Anderson, CA
Posts: 6,403
I've gone up to 6 months w/o changing out the 4dkh/ph reagent in my DROP CHECKER. I normally just change it out when I clean it. I've never noticed a difference in performance.
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