Mariner Food Prep Drain Line & Grease Trap Treatment Quickly dissolves grease, fats and oils to keep drains and grease traps flowing and deodorized. This special blend of biodegradable solvents, odor neutralizing agents, grease stripping solvents and emulsifying agents is powerful enough to eliminate the heaviest accumulations in drains and grease traps while leaving a pleasant orange fragrance. 5 gal. RTU (Pkg u/m = 5 gal. Sold By u/m = Pail)