Sludge Remover Bacteria Blocks - 50lb Box Bulk 1oz Blocks

Great for spot treating around docks, beaches or partially treating large ponds. This product is a slightly modified version of Pond-Vive. While Pond-Vive bacteria is designed to treat several issues of water quality, these 1 oz sludge remover blocks are specifically designed to reduce sludge. Pellets are heavy and sink down into muck directly where they are applied Best used in conjunction with Pond-Vive for a complete water quality program Small Ponds: 1 block per 1000 gallons every 1-2 weeks Large Pond: 15 to 20 blocks per 1/4 acre - Apply every two weeks