This is a common question from homeowners. Build up from minerals in your water can damage or shorten the life of common household appliances. Dishwashers, water heaters, and washing machines are most commonly affected because calcium precipitates from water faster when the water is heated. Tank-less water heaters are especially susceptible to the effects of calcium. Most appliances have a limit of the hardness that the unit may be subject too without voiding the warranty, ch

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