Grey Water Odor Control - RV Grey Water Tank Treatment, 24 oz - Thetford 15842 [VERSATILITY]: Thetford's Grey Water Odor Control is designed to eliminate and prevent offensive odors in RV grey water holding tanks, showers, drains, vents, and traps of sinks [FUNCTIONALITY]: Dissolves cooking grease and cleaning residues [UTILITY]: Prevents grease build-up in grey water holding tank, eliminating the source of offensive odors [CONVENIENCE]: Formulated without chlorine or solvents to damage valve seals SAFETY]: Grey Water Odor Control is a 100% biodegradable liquid acting as a deodorant and detergent Non-staining, 100 percent biodegradable formula Eliminates grey water odors in RV drains and vents; No chlorine or solvents to damage valve seals Prevents and removes grease build-up Pleasant floral scent Easy to manage 24 ounce bottle