The Dymax Black Bio Sponge is made from coarse foam that provides lots of surface area for beneficial bacteria, and captures larger particles from the water column. The pads are roughly 12.5"x4.75"x1" and easy to cut to size to use in a hang-on-back filter or canister.
A total of 3 guests made comments
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William Rodriguez - 2024-03-03
The quality of the product is exceptional, and it arrived much quicker than I expected. Excellent customer service as well.