http://www.aquamastersinc.com/the-pros-of-water-softeners.html
Many people who live in areas where there are frequent problems with the water pipes find that there are unacceptable buildups in their water of potentially harmful chemicals. Some of these chemicals include calcium, sodium, lead and magnesium. In the event that the pipes that carry water to municipal households are old or have these chemicals built up for some other reason, it is important that the residents of these areas have a way to filter out these chemicals
