API Pond, 16 OZ, Accu-Clear, Pond Water Clarifier, Helps Clear Cloudy Pond Water Of Dirt, Silt & Floating Particles, Clumps Floating Particles Into Large Clusters That Can Be Easily Removed By A Pond Filter, Works Quickly & Improves The Overall Efficiency Of Your Pond Filter, Use Weekly Or When Cloudy Water Is Observed In Freshwater Ponds, Bottle.