Aquascape® Clean for PondsUse to naturally reduce organic sludge and debris Clean for Ponds uses a powerful blend of heterotrophic bacteria to digest organic waste or sludge caused by uneaten fish food, fish waste, and leaves or debris, naturally cleaning the rocks and gravel. Reducing organic waste keeps ponds and pond filters clean while optimizing water clarity and quality. Treat once weekly for maintenance. During spring start up or for dirty ponds, treat twice weekly for