API Bio-Chem ZORB contains a superior blend of resins and activated carbon that removes aquarium pollutants including colours, odours, heavy metals, and toxic gases.

API Bio-Chem ZORB filtration media makes aquarium water crystal clear.

This product also removes light blocking impurities for improved growth of corals in saltwater, and for plants in freshwater aquariums.

Contents: 1 Large Filter Pouch. Treats 210L