JUWEL Nitrax is a biological filter medium to break nitrates down in your aquarium. It reduces the growth of algae and promotes the vitality of your plants and fish. JUWEL Filtermedia Made to fit each Filter System Use the filter baskets for your filter system to make maintenance even easier The nitrate removal sponge assists in enhancing the water quality in your aquarium. Replace it every 6 weeks and see the difference in plants and your fish.
Nitrat Removal Sponge Bioflow 6.0 Standard Measurements 12.5 x 12.5 x 5 cm
Fits the Rio300 & Vision 250/260