The Planted Tank Forum - View Single Post - Bio-Balls in a canister filter?
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post #3 of (permalink) Old 01-20-2013, 12:48 PM
Wannabe Guru
Join Date: Jan 2013
Location: Humarock - Boston MA
Posts: 1,390
I've had better experience using the ceramic rings personally. The mini size bio balls aren't bad but the ceramic rings like fluval sells have more of a porous nature to it to maximize bacteria growth, a little easier to clean as well.

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