Great article from the Chicago Tribune about soft water and hard water.
Soft and hard water behave differently, from cleaning power to corrosion potential
April 25, 2012|By Danielle Braff, Special to Tribune Newspapers
Apparently, all tap water is not created equal.
Some water is deemed "hard," and other is considered to be "soft." And here's the confusing part: Hard water isn't better than soft in all situations, and soft isn't always preferable.
Confused yet? We explain the ins and outs of each below...Click here to read the article