The Aqua Clarity produce and maintain crystal clear aquarium water without affecting pH. Unlike other competitive product that may clog the fish gills, suffocating them. Aqua Clarity uses a bend of high technology to flocculate any dirt, bacteria or other cloudy water causing particles. Aqua Clarity will not cause any damage to sensitive aquatic plants which some competitive brand does. It contains no phosphates, nitrates or silicates to cause undesirable algae or slime growths.