Aquarium Pharmaceuticals Presents Aquarium Pharmaceuticals (Ap) Pond Simply Clear Pondcare 32oz Bottle. Fast Acting Bacterial Pond Clarifier a Bacterial Based Pond Clarifier that Quickly Clears Murky, Cloudy Water and Keeps it Clean and Clear through Natural Bacterial Action. This Triple Action Formula Acts Fast - Clears Pond Water and Breaks Down Sludge and Offers a Long Term Solution to Un-Clear Pond Water. 64 Fl. Oz. Bottle (1.89 L) Treats Up to 16,000 us Gallons. (60,560 L) 4.3 Lbs [32633]