Whirl Out Jetted Bath Cleaner powerfully and safely cleans jetted baths, spas, whirlpools and hot tubs. This fast and easy, self-cleaning action formula eliminates soap scum and buildup, odors, bath and body oils, dirt and other system residue from the surface and hidden parts, like pipes, pumps, fittings and the circulation system. Whirl Out leaves the surface and internal components fresh and clean without scrubbing. Regular use helps prevent buildup in your jetted bath, spa, whirlpool or hot tub and ensures a smooth running system. For use on acrylic, fiberglass, enamel and chrome surfaces. Septic safe. Made in the USA. 1 lb. 6 oz. bottle.