Designed to help keep water softeners performing efficiently these water softener salt pellets remove up to 10 times more iron than plain salt to improve water quality and reduce rust stains. They help minimize hard water mineral buildup from iron calcium and magnesium leaving dishes cleaner laundry brighter and hair and skin feeling softer after washing. The specially formulated pellets reduce bridging and mushing to help keep resin tanks clean and operating effectively. Each 40 pound bag features a sturdy handle and easy tear opening for convenient carrying and pouring.