Resin Filter Media Nitrate Remover Resin Products Nitrate Remover helps reduce nuisance algae by starving it of its primary food source - nitrate. It uses a premium grade ion exchange resin which works in a wide range of pH parameters and temperature conditions. Resin Products Nitrate Remover uses a premium-grade nitrate selective ion-exchange resin to remove nitrate quickly and safely from aquarium water - can be used in both freshwater and marine aquariums. Available in single 100g pods or a box of 3... Single 100g pod for 25 - 150L Two 100g pods for 150 - 250L Three 100g pods for 250 - 350L Removes nitrates & nitrites from your tank Reduces nuisance algae Nitrate Remover is a premium grade nitrate selective ion exchange resin Unique round pod’s perfectly fit inside your internal/external filter Suitable for freshwater, tropical or marine aquarium use