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water softener

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Water Softener


Any substance or unit that removes the hardness from water. Hardness is caused by the presence of calcium and magnesium ions, which combine with soap to form an insoluble scum, prevent lathering, and cause deposits to build up in pipes and cookware (kettle fur). A water softener replaces these ions with sodium ions, which are fully soluble and cause no scum.

© Research Machines plc 2008. All rights reserved. Helicon Publishing is a division of Research Machines plc.


 
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