The water treatment industry has responded to recent public concern over water quality by introducing a wide variety of home water treatment products into the marketplace. When faced with so many choices, consumers speculate of home water treatment system they need. The various methods for treating water and some of the advantage and disadvantage of those methods are described but we will discuss on Ion exchange (water softeners).
A common problem of water supplies is hardness, mainly caused by excess calcium and magnesium. Ion exchange systems soften hard water by removing the minerals causing hardness. These hardness minerals may interfere with the cleaning action of soaps and detergents and cause scale buildup in hot water pipes, water heaters and fixtures. The system also effectively removes some iron, manganese and many heavy metals.
The hard water is pumped through a tank containing an exchange resin. Sodium on the exchange resin replaces the hardness minerals. The sodium remains in soluble form in the softened water. Persons with heart problems should discuss this issue with a physician who will need to know the sodium level in the existing household supply of softened water.
To function 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 automatic recharge you only need to keep the sodium storage container filled. Other softeners must be recharged manually and are usually serviced by water treatment companies.
Before buying a water treatment system, know the quality of your water supply and if treatment is needed. Consider the simplest and most economical solution to the problem. Removing the source of contamination, obtaining a new source of drinking water, or treating the water with Water Treatment Companies may be appropriate solutions.
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