how can we make hard water soft?
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Washing soda is used for removing permanent hardness of water.
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Hard water refers to the concentration of certain substances like calcium and lime in your water. If your water contains calcium, a quick boil may remove its funny taste. Other contaminants can be removed with filters. For better water throughout your household, consider installing an ion exchange system. Laundry water, on the other hand, can be softened with baking soda and vinegar.
abdevillers96:
simply by calgons method of using sodium hexa methapjosphate
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