The Planted Tank Forum - View Single Post - seachem matrix bio best ?
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post #42 of (permalink) Old 02-01-2013, 11:49 PM
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Join Date: Apr 2011
Location: NY
Posts: 939
Re: seachem matrix bio best ?

Originally Posted by driftwoodhunter View Post
Now that I know it's only pumice stone, I'm going to be on the hunt for that at the home improvement/pond/farm stores...
Matrix is a man made expanded media and not pumice.

Originally Posted by Darkblade48 View Post

How is this media achieving localized anaerobic spots within a filter with so much water movement?
It doesn't

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