Aquascape 40019 Lake Sludge Remover Packs - Pack of 1152

Eliminates sludge or muck to enhance water clarity and quality while removing odors Water soluble packs dose sludge directly and make it easy to spot-treat and treat hard to reach areas Contain all active ingredients with no fillers or binders Slowly releases oxygen to maximize sludge reduction 1 pack treats up to 250 square feet