How water softeners work

Water Softeners

Water hardness is a common problem of water supplies. Hardness of water is mainly caused by excess calcium and magnesium. Hard water is softened by Ion exchange systems by removing the minerals causing hardness. The system also effectively removes some iron, manganese and many heavy metals. These minerals causing hardness interfere with the cleaning action of soaps and detergents and cause scale buildup in hot water pipes, water heaters and fixtures, there by requiring higher maintenance of these fixtures.

How the water is softened ?

The hard water is pumped through a tank containing an exchange resin. The sodium present on the exchange resin replaces the hardness minerals, but the sodium remains in soluble form in the softened water.

Persons with heart problems should discuss in the existing household supply of softened water.

For the maintenance of the resin tank so that it functions properly, the resin tank must be periodically flushed (or recharged) with a solution of sodium chloride (salt). Some softeners automatically recharge the tank either on a regular schedule or when an electronic sensor detects that the resin needs to be recharged. With the facility of automatic recharge you only need to keep the sodium storage container always filled. For the other softeners recharging is required to be undertaken manually. This recharging service is generally undertaken by water treatment companies.

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