MADE FOR ALL FILTRATION NEEDS: Our 10” x 18” Nitrate Reducer Aquarium Filter Pads are infused with natural mineral powder, and are made to be trimmed and shaped to fit your filtration needs. These pads are designed for freshwater and saltwater aquariums, as well as outdoor ponds!
CLEAN, CRYSTAL-CLEAR WATER: In addition to trapping loose particulate matter, these pads help to maintain nitrate levels, and to clear up discolorations, from your aquarium’s water. They help keep water inside your tank crystal clean!