Morton, 40 lb, potassium chloride pellets, provides an effortless way to soften your water while reducing sodium & adding potassium to your softened water, 99% sodium free, reduces sodium levels in your softened water & chlorides discharged into the environment, provides potassium, an essential nutrient, help soaps & detergents lather better, help prevent hard water spots on faucets, dishes & tile, help prevent scale build up in water heaters & pipes, help keep laundry & kitchen appliances stain free.