GreenClean Liquid Bacteria contains several strains of beneficial bacteria ideal for breaking down and digesting waste. GreenClean Liquid Bacteria can be used to help establish new ponds as well as to re-establish ponds after major overhauls or springtime start-ups. GreenClean Liquid Bacteria can help reduce fish waste, decaying plant material, and organic waste that accumulate in ponds, causing foul odors and murky water.