The Planted Tank Forum - View Single Post - GH Booster - how to dissolve it
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post #7 of (permalink) Old 11-09-2012, 02:58 AM
Planted Tank Obsessed
Join Date: Jul 2009
Location: N/A
Posts: 320
CaSO4 is not very soluble naturally, it will still be in powder form at best, for a while
(overnight perhaps). I pour it into a cup and feed it to the filter intake.
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