Clear Pond Sludge Buster Blocks are a blend of beneficial pond bacteria and enzymes, in a pre-measured 1-ounce dissolvable block. These dissolvable blocks contain no binding agents or harsh chemicals, only 100% natural ingredients. Improved water clarity is accomplished in just weeks.
- Eliminates bottom sludge such as decaying plants, grass clippings, leaves, fish waste and other organic waste material
- Each 1-ounce block treats up to 1,000 gallons of water
- Controls odors by eliminating the build-up of dead and decaying organic wastes
