Api Superclean 5 - 20 Phos - zorb 1pk

Aquarium Pharmaceuticals - Phos-Zorb for SC 5-20 . Aquarium: Filter Cartridges Specialized filtration medium in a convenient pouch that eliminates cloudy water caused by phosphate and silicate. Phos-Zorb removes these common nutrients and enhances the growth of hard and soft corals in saltwater. Phos-Zorb also removes compounds that inhibit plant growth in freshwater aquariums.