DescriptionA special filtration material that selectively removes phosphate which clouds the water and silicate, a natural mineral found in tap water.Phosphates are released by fish waste, decaying organic matter and tap water sources.Key Features:Keeps water clear and tanks cleanDoes not remove trace elements and does not affect pHSafe for all fish, invertebrates and plantsPromotes growth of reef-building corals by preventing calcium and magnesium precipitationUse in fresh, saltwater and reef aquariumsTreats up to 208L1 Large Pouch
