SludgeMAX Muck and Sludge Reducer - by PondMAX
SludgeMAX pond tablets are a great natural solution to for eliminating sludge and sediment, reducing harmful phosphates, improving water quality and sustaining oxygen levels. Use 3 tablets per 500 gallons. Apply once every 4 weeks. Can be applied every 2 weeks for ponds with heavy muck buildup. SludgeMAX is a natural solution and is safe for plants and animals.