The Planted Tank Forum - View Single Post - API GH Test Kit questions....
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post #12 of (permalink) Old 01-03-2013, 02:00 PM
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etgregoire's Avatar
Join Date: Oct 2009
Location: Cincinnati, Ohio
Posts: 280
Yeah you only add the booster when you do water changes. It doesn't evaporate out, kind of like salt with marine/reef tanks.

So what are your plants in the tank? Must have missed the posts before... :P
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