Most people are aware of the benefits of clean and pure drinking water. But did you know that soft water can provide your family and your business with numerous advantages, too?. Water Softeners are primarily used for removal of unwanted calcium and magnesium from raw water. Commonly referred to as lime, they form scale deposits in plumbing and soap curd on objects cleaned with hard water. Mineral particles even become deposited between cloth fibers, leaving laundry dingy while deteriorating the fabric.