Primarily reduces lake/pond organic muck and sludge. It also provides some clarification. It is is a dry, synergistic blend of fourteen spore-forming Bacillus strains and eight gram-negative vegetative strains of bacteria. Reformulated for higher count and improved sludge decomposition, Muck Eater® combats problems found in sludge at the bottom of ponds, lakes and rivers, particularly sulfides, mercaptans, ammonia, fatty acids, nitrates and other sources of odor and pollution. Muck Eater® will break the cycle of sludge buildup, fish suffocation, algae crashes, over-growth of weeds and off-flavor. Keeping the pond bottom clean will reduce stress on your valuable crop, allowing them to maintain healthy immune systems and grow strong.