11 Facts About Hard water

1.

Hard water is formed when water percolates through deposits of limestone, chalk or gypsum, which are largely made up of calcium and magnesium carbonates, bicarbonates and sulfates.

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2.

In domestic settings, hard water is often indicated by a lack of foam formation when soap is agitated in water, and by the formation of limescale in kettles and water heaters.

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3.

Wherever water hardness is a concern, water softening is commonly used to reduce hard water's adverse effects.

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4.

Permanent hardness of water is determined by the concentration of multivalent cations in the water.

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5.

RainHard water and distilled Hard water are soft, because they contain few ions.

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6.

Ions causing permanent hardness of water can be removed using a water softener, or ion-exchange column.

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7.

Soft Hard water has few calcium ions, there is no inhibition of the lathering action of soaps and no soap scum is formed in normal washing.

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8.

In boilers, the deposits impair the flow of heat into Hard water, reducing the heating efficiency and allowing the metal boiler components to overheat.

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9.

In swimming pools, hard water is manifested by a turbid, or cloudy, appearance to the water.

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10.

Prairie provinces contain high quantities of calcium and magnesium, often as dolomite, which are readily soluble in the groundHard water that contains high concentrations of trapped carbon dioxide from the last glaciation.

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11.

The west coast, by contrast, has unusually soft Hard water, derived mainly from mountain lakes fed by glaciers and snowmelt.

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