Review on 🐠 Aquatic Experts Clear Water Aquarium Filter Sponge: Ultimate Biological and Mechanical Sponge Filter Pad by Jamie Brady

I love this reusable filter material! It is very convenient to clean the pond from small algae. I just cut it off, left it in the filter box for 2 days, then cleaned and repeated. I have a semi-circular log wall at the back of my pond that's easy to clean - just sprinkle water on it and bang it against the wall to dislodge particles until the water runs clear, then put it back. Will buy more when this runs out.