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Discussion Starter · #1 ·
i got some black sand from my lfs to put into my 75g wiht my cichlids. well it is too fine so as i am running it under water to clean it before i put it in my tank the sand is almost foaming. there r tons of floating sand bubbles. i assume that it will sink when it is in the tank but i dont want to ruin my filters. i have sand in every one of my tanks and i have never had this problem.
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