Rainshower BATH-3000 Crystal Ball Bath DechlorinatorFor a Healthier, More Enjoyable Bath … The Rainshower Way. Dechlorinate your bath water with the Crystal Ball ® by placing it into the tub and pulling it through the water with the attached 12-inch cord for 5 to 7 minutes or longer. As chlorinated water flows through the filament the dissimilar metals in KDF ®-73, (copper and zinc), create a galvanic or electrolytic reaction which causes the two chlorine ions to form a harmless chloride. It changes the chlorine from an element into a harmless compound. In addition to the KDF filament, the Crystal Ball ® also uses our specially washed and sun dried quartz crystals to help “energize†the water by reducing the $43.30DiscountFilterStore.comDelivery: in USA ReportBuy!