Camco TastePURE Spring Fresh cleans and deodorizes your RV fresh water systems with a safe, biodegradable formula. Dewinterize any fresh water tank or line. Also good for periodic cleaning, freshening, and deodorizing. Our one step, no measure solution requires no mixing or preparation. 1 gallon of solution cleans up to a 100 gallon tank. Required no measuring, mixing, or preparation Stops bad odors and foul tastes in your drinking water by cleaning and deodorizing Perfect for dewinterizing your fresh water tank and lines One gallon cleans up to a 100 gallon tank Safe for RV and marine applications