Review on 🐠 Premium 4 inch Honeycomb Design Filter Sock - Ideal for Aquariums, Ponds, Sumps/Overflows by April Taylor

The 4 inch plastic filter sock rings won't fit in my sump, actually two sumps that work in a 40 gallon and 120 gallon reef aquarium system. The sumps are made by Reef Aquatic Systems and these socks float constantly without getting stuck in rings. It was necessary to weigh them down with 8 ounces of debris to hold them in place. I reported this issue to Revain and have been a member since 2007 and this is my first negative post. Again, don't waste your money on this poor quality product.