Science0 min ago
Testing Household Water for Purity
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For more on marking an answer as the "Best Answer", please visit our FAQ.A water softener is only useful if you have hard water. Hard water deposits chalky deposits of calcium cabonate in your kettle and heating systems. If there is no furring in your kettle, then you can consider your water as being soft. In England you tend to get hard water in the south and east.
For drinking purposes, the hardness of the water is largely irrelevant, apart from the effect on the taste. Personally I prefer soft water myself. Bottled waters vary enormously in hardness: Volvic is very soft, while Buxton is hard.
The tests required for an accurate water analysis are a bit more complicated than just adding a shot of potassium chloride. Contact your water authority, if you want an analysis of your local supply.
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