Water softening by definition is removing calcium Ca2 and Magnesium Mg2 from the water through a process called ion exchange. The process of ion-exchange uses a polymer resin bed which gives off a sodium or potassium particle in exchange for hardness minerals. This process removes water hardness from the water eliminating scale build up, protecting appliances, water heaters, plumbing fixtures, improving the effectiveness of soaps and detergents.
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