The Planted Tank Forum - View Single Post - seachem matrix bio best ?
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post #20 of (permalink) Old 01-31-2013, 09:35 PM
Planted Member
Join Date: Oct 2012
Location: Land of Gila
Posts: 168
Scrubbies have way more surface area for bacteria to grow compare to pumice or lava rocks.

EHEIM #525
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