Because of global warming, we have had a ration of serious droughts in Southern California. One of the byproducts of global warming and having less water is we having to treat it with chemical and nutrients. One of the byproducts of our mass water treatments is hard water.
As the world warms, it causes us to be conscientious of water and our consumption of it. There are two very popular ways for residential home treatments: Reverse Osmosis, Saltwater Softener. Home Water Purifiers