CoreBiologic Liquid Microbial Blend MuckDown to Reduce Pond Muck, 5 gallon Reduces muck in ponds and localized areas like beaches and docks MuckDown reduces toxic ammonia from your pond or lake that can have detrimental effects on fish health and other wildlife Significantly increases naturally occurring bacteria to consume unwanted micronutrients for a healthy, clear pond Simple, cost-effective method for organic muck management and is 100% safe for humans, fish, livestock, pets, birds, swimming and irrigation Can undo many of the conditions that lead to excessive algae growth