Tag Archives for " salt free water softener "

Water Hardness and How to Treat It

The term “water hardness” originally referred to the ability of water to precipitate soap and form soap scum. Soap is precipitated, or brought to the surface, by water containing high levels of calcium and magnesium. The “harder” the water, the less soap will dissolve in it.

In current practice, total hardness is defined as the sum of the concentration of calcium and magnesium ions, expressed as calcium carbonate.  Read More