Effectively removes dirt particles to improve visibility into the pond Works in a matter of hours Not suitable for sturgeons Binds cloudiness caused by clay particles or soil, as well as cloudiness caused by organic particles, such as fish waste, uneaten food or dead plant material Harmless to pond environments: the active ingredients in Tetra Pond CrystalWater coagulate floating particles that cloud the pond water. This makes it easier to filter out these particles or to remove them by hand Makes pond care easy Improves the water quality in the pond, enhancing the well-being of fish and plants Incredibly easy to administer Do not use to tackle algae. Use Tetra Pond AlgoFree to combat green water (floating algae). For best results, there should be a period of 4-5 days between treating the algae and using Tetra Pond CrystalWater Do not use to tackle algae. Use Tetra Pond AlgoRem to combat green water (floating algae)