The Planted Tank Forum - View Single Post - good or best bio media?
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post #4 of (permalink) Old 11-17-2012, 03:17 AM
Algae Grower
clang's Avatar
Join Date: Jan 2011
Location: Kankakee, IL
Posts: 126
Some folks are using lava rock for bio media. You can get it at Home Depot, Lowes, etc. Just break it up some into smaller pieces.
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