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2015-12-11T13:56:47+05:30

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Hard water is actually the water that contains certain minerals like iron, calcium etc in large amounts. Soft water is that is naturally occurring. Water from rivers, lakes are mostly source for soft water. the surface waters are also considered soft waters. Hard water are mostly underground waters that are mostly full of minerals. in some places it needs good filtration before it can be used in any manner.
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