MAINTAINS DRINKING WATER QUALITY: Star brite AQUA Water Treatment & Freshener ensures perfect drinking water quality in boats and RVs PREVENTS FOUL TASTING WATER: Effectively prevents foul tasting or smelling potable water, providing a refreshing drinking experience VERSATILE USAGE: Can be used as often as needed to ensure the quality of bathing, drinking water, and ice, maintaining freshness EASY TO USE & EFFICIENT: Just 1 fluid ounce treats 20 gallons of water, offering long-lasting value and performance PROUDLY MADE IN THE USA: Since 1973, Star brite products have been crafted with pride in the USA, ensuring quality and reliability NOTE: AQUA Water Treatment & Freshener is designed to keep water smelling and tasting fresh, but for unpleasant odors or tastes, use AQUA Water Shock to restore water quality COMPLETE SYSTEM CLEANING: For stronger odors or tastes, AQUA Water Tank & System Flush provides a thorough cleaning and deodorizing of the entire fresh water system, eliminating smell and sludge