The Planted Tank Forum - View Single Post - Using Oil-Dri for cheap substrate?
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post #46 of (permalink) Old 09-30-2012, 04:14 PM
Planted Member
Join Date: Dec 2009
Location: NYC
Posts: 185
I tried out the STS, but it's so dirty that rinsing is never ending. I took it out of my tank and it left behind a muddy (brown) residue and smell everywhere. I wiped the tank down with paper towel and there is still a muddy smell. Is the residue harmful to fish?
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