Star Brite Aqua Water Treatment Freshener

Features 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, sulphur, plastic or metal odor or taste. 1 fluid ounce treats 20 gallons of water. Directions Before adding fresh water to tank, add 1 fluid ounce of AQUA Water Treatment & Freshener for every 20 gallons of potable water to be treated then fill tank. Use as often as needed.