Check the listing for details. Webb's Water Gardens Pond Sludge Remover Tablets 10 lbs. Condition: New. Listed at 143.99 USD. Webb's Water Gardens Sludge Remover Tablets 10 lbs, approx. 160 tablets Sludge Remover tablets contains a proven blend of enzyme producing pond bacteria which naturally reduces odor causing, decomposing organic debris and muck.These all-season tablet formulations helps eliminate and breakdown bottom sludge/muck, reduce odors, and clear murky water. It is designed for year-round use in koi ponds and water gardens. This unique formulation is produced using a “no mess” tablet, which immediately begins to dissolve upon contact with water. It is a cold water formulation which can be used in water temps as low as 35°F, making it a true all season formula.Reduces unpleasant odors and murky water caused by organic wastesReduces organic bottom sludge and muckSafe for use arounds pets and wildlifeMaintains a healthy, balanced ecosystem and reduces pond maintenanceWorks in water temperatures down to 35ºFFor maintenance applications:Apply one 1 oz. tablet per 1,000 gallons of water, every 1-2 weeksFor large pond applications:Spot treatments (for shoreline or beach area): Apply one 1 oz. tablet per 200-250 square feet every 2 weeks. Webb's eBay Store Store Home Store Policies Feedback Shipping Most orders are shipped from our warehouse in Maryland. We warehouse over 95% of the items that we offer, which is a key to our quick order turn-around. Some orders are drop shipped directly from our manufacturer's in various states within the continental US. All orders are shipped via either UPS or FedEx therefore we cannot deliver to PO boxes, please supply a physical address to which we can ship your order. Payment We accept PayPal and the following credit cards: Visa, MasterCard, American Express, and Discover. Please feel free to call with any questions.