Bebetter 9 Packs Negative Ion Mineral Balls Replacement, Soften Hard Water, Remove Chlorine, Bacteria and Other Impurities

Soften the hard water, remove chlorine , bacteria, rust ,order, heavy metals and other impurities from the shower water, enhance water purification, and maintain the pH balance of the water Suitable for ionic shower head, perfect replacement bio-active stone Package includes 9 packs balls, 3 bags mixed balls, 3 bags grey balls, 3 bags white balls, they can be freely combined We suggest you change the mixed balls and grey balls every 3 months, and change the white balls every 6 months