API Pond Zyme Sludge Destroyer, 8 Oz

The carefully selected strains of bacteria in API POND-ZYME SLUDGE DESTROYER immediately begin breaking down fish waste and dead algae that cause cloudy water, sludge buildup, and debris that clogs pumps and filters. Through enzymatic action, POND-ZYME SLUDGE DESTROYER reduces pond maintenance and keeps pond water clean and clear. It is a 100% natural product and safe for all pond fish, plants, and wildlife.

Initial dose at the start of spring and end-of-season dose: Add two tablespoons for every 200 gallons of pond water twice a week for two weeks.

Maintenance dose: Add one tablespoon for every 200 gallons every two weeks.