Juwel Nitrax is a biological filter medium designed to break down nitrates in your aquarium, leading to a considerable reduction in algae growth. Nitrax is a biological filter media containing specialist microorganisms to break down poisonous metabolites (ammonium/nitrite) in your aquarium, thus reducing the danger of fish mortality. Nitrax also reduces algae growth by anaerobically breaking down nitrate, thus supporting the vitality of your fish. Juwel Nitrax - Nitrate Remover Available Sizes: 88055 Juwel Nitrax M - 9.5 x 9.5 x 4.5cm 88105 Juwel Nitrax L - 12.5 x 12.5 x 5cm 88155 Juwel Nitrax XL - 15 x 15 x 5cm Reduces nitrate Promotes plant growth Increases the vitality of your fish Purely biologically active
