| Features: The perfect biological filter substrate made from 100% Zeolite. Natural ion-exchange resins trap the toxic ammonia on the surface of the Ammo-Rocks. The growth of nitrifying bacteria is stimulated by the high surface area concentration of ammonia. The nitrifying bacteria grow faster and produce larger and more active colonies in the filter.
Product Description: Natural ion-exchange resins trap the toxic ammonia on the surface of the Ammo-Rocks. Excellent filter media Add to any pond filter Use 10lbs per 300 gallons of pond water |