The Planted Tank Forum - View Single Post - seachem matrix bio best ?
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post #13 of (permalink) Old 01-31-2013, 12:54 PM
Wannabe Guru
Join Date: Jan 2013
Location: Humarock - Boston MA
Posts: 1,390
anaerobic problems. It needs a richer source of oxygen which it's not going to get inside the tank or in the substrate. Yeah matrix is pumice stone. Old volcanic rock.

I'm not into the image, but into the hobby...
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