Toilet Conditioner - QuartCleans, lubricates, deodorizes and keeps all parts of marine toilets clean and in efficient working condition. Contains a special non-mineral oil that will not harm leather, rubber or fittings. Conditions by impregnating and lubricating all parts. Eliminates rather than masks odors. Non-caustic.Perfect for use with fresh water or salt water.95% biodegradable formula.