NT Labs Sludge Remover when there is a noticeable build-up of sludge on the bottom of the pond. This product is particularly effective when used after the addition of algae and blanket weed treatments. Sludge clear is a blend of enzymes and bacteria designed to digest organic material, promoting a cleaner pond and filter. By reducing sludge, it creates fewer opportunities for disease-causing organisms to hide. Sludge clear also supports and encourages the activity of biological filter bacteria.





