Maintains perfect drinking water quality in boats and RVs. Prevents foul tasting or smelling potable water. Can be used as often as needed to ensure quality of bathing and drinking water and ice. Prevents water from taking on chlorine, sulfur, plastic or metal odor or taste. 1 fluid ounce treats 20 gallons of water.

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov