newshound
08-01-2011, 03:11 PM
Stated simply, hard water is water that is hard to lather, and soft water isn’t. A more accurate definition of soft water describes the physical removal (to less than one gpg in most cases) of calcium and magnesium salts.   Salt-based ion exchange technology was first broadly applied to residential water softening in the post-world [...]
More... (http://gregknowswater.com/2011/08/01/soft-water-a-continuing-evolution-what-are-you-selling/)
More... (http://gregknowswater.com/2011/08/01/soft-water-a-continuing-evolution-what-are-you-selling/)