Cleaning Chemical, For Use In Lakes, Ponds, Treatment Coverage Up to 10 sq ft, Usage pH 5.5 to 8.5 pH, Container Type Bucket, Container Size 7 lb, Formulation Proprietary Bacterium, Proprietary Binding Agent, Proprietary Filler, Proprietary Salt, Proprietary Stabilizer, Proprietary Surfactant, Shelf Life 2 yr, Reapplication Time 3 wk, Non-Toxic No, Cleaning Functions Dissolves Sludge, Cleans Water, Features Macro-ZymeTM Also Reduces Nitrates and Phosphates, Form Powder