Pristine Pond Cleaner and Clarifier with Highly Concentrated Beneficial Bacteria. Reduces Muck, Solids, and Sludges in Lagoons, Ponds, Water Features. Safe for Koi. 2.5 pounds Treats 237,500 gallons Price: $49.95 (as of 20/09/2023 10:11 PST- Details)

Professional Strength Pond Cleaner and Clarifier Promotes Clear Healthy Water
Reduces Muck, Sludge and Solids in Ponds, Lagoons and Water Features
Safe for People Pets, Koi Fish and Plants