| Re: substrate used in fo tanks I don't have a FO tank, but if I was going to, I'd use sand. If I was doing smaller fish, and gobies and such, I'd do a DSB with small grain sand.
If I was doing large fish, heavy eaters, then I'd prolly do like 2in of a course sand and vacum it.
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-Ellen-
Where did all the water go...
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