Question by  Mudkip (24)

Why do you have to put salt in a water softener?


Answer by  cheruvusmurthyyahoocoin (6)

Salt is used for Regneration of water softner. The sodiuim ion in the salt will be exchanged with the softner. The softner is regenerated by retaining sodium ion which later absorbs chloride etc from hard water and thus softens the water


Answer by  Aumin (276)

Water softener is used because of hard water. Hard water can cause problem flowing through pipes and softener helps to relieve this problem.

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