UltraClear® Muck Digester reduces undesirable muck, eliminates organic build-up, reduces bottom sludge and improves water quality. These convenient, dissoluble 1 ounce tablets make it easy to treat ponds and lakes. The slow-release tablets unleash 9 strains of beneficial bacteria to attack pond sludge! No chemicals or harmful ingredients - just 100% natural, safe bacteria. Since these tablets work in low-oxygen environments (such as the pond floor), they are great solutions for treating municipal ponds, farm ponds, industrial lagoons, and commercial or residential ponds and lakes! Reduces muck, organic sediment, and sludge build-up Reduces nitrates and phosphates that cause murky water Breaks down animal waste and removes toxic ammonia Can be used all year long - even in cold weather! Safe for all fish and wildlife around the pond Reduces unpleasant odors Application Instructions Distribute tablets across surface of pond or lake, spreading evenly when possible. For small ponds, use one tablet per 1000 gallons every 2-4 weeks. For large ponds and lakes, use 64 tablets per surface area (16 per quarter acre), assuming an average depth of 4 feet. SKU UPC Code Size Qty of Tablets 42910 743053429106 6oz Jar 6 42900 743053429007 2lb Jar 32 42905 743053429052 4lb Jar 64 42906 743053429069 8lb Jar 128 42913 743053429137 12.5lb Case 200 42907 743053429076 25lb Case 400