API PHOS-ZORB filtration media eliminates cloudy water and dirt caused by phosphates and helps reduce the maintenance of your aquarium.

PHOS-ZORB filtration media removes phosphate and silicate which are common nutrients found in fresh and saltwater aquariums that contribute to water murkiness. PHOS-ZORB additionally removes compounds that inhibit aquatic plant growth.

Contents: 1 large filter pouch. For up to 210L (55gal) tanks.