Hagen A1502 Fluval Lab Series Nitrate Remover, 150-Gram, 5.29-Ounce
Fluval Lab Series Nitrate Remover is a high capacity, laboratory developed Ion exchange resin that is safe for fish, plants and invertebrates. Developed from a pure High Grade String Base Anion Exchange resin, Nitrate Remover rapidly and selectively removes nitrate and eliminates toxic nitrite within a matter of hours, resulting in a healthy environment for your fish. It removes up to 25 mg/L (ppm) of toxic nitrate per 50 gallons of water (189L). It does not contain phosphate, will not affect pH or Hardness, and can be recharged several times. The Fluval Lab Series Nitrate Remover is for freshwater use only.