The Planted Tank Forum - View Single Post - GH Booster - how to dissolve it
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post #11 of (permalink) Old 11-10-2012, 03:08 AM
Planted Tank Guru
Join Date: Jan 2010
Location: Contra Costa CA
Posts: 10,524
If you have a HOB filter you could drop it in there. The constant water movement will dissolve it, though it might take all day. That is actually good. Slower change in hardness is easier on the fish.
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