Microbe-Lift Pond Sludge AwayMicrobe Lift Sludge Away naturally speeds up the elimination of slow degrading organic sludge and muck from ponds, especially which contain rock or gravel. This organic and microbial based method prevents toxic gasses from deriving off of hard to reach accumulated organic matter, protecting your fish, plants as well as marine life while clarifying your water at the same time. Speeds up the elimination of organic sludge & muck 100% active, organic &