Disperses and loosens sludge and grime in the bilge so it can be pumped out. Leaves bilge clean and odor-free. BiodegradableEasy to use just pour in, run boat, pump outDissolves and eliminates oil, grease, fuel, scum and sludgeWill not harm fiberglass, rubber hoses, wiring, metal or plasticDisperses and loosens sludge and grime in the bilge so it can be pumped outLeaves bilge clean and odor free