Rain falling from the sky is “soft” and free of impurities. But as it trickles through the earth, water picks up calcium and magnesium and can become “hard”. Hard water causes problems in a home. It fades the col

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Date: 2016-12-19 12:04:39		Rain falling from the sky is “soft” and free of impurities. But as it trickles through the earth, water picks up calcium and magnesium and can become “hard”. Hard water causes problems in a home. It fades the col Add to Reading List Source URL: saltinstitute.org Download Document from Source Website File Size: 111,31 KB Share Document on Facebook