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3 Ways to Soften Hard Water - wikiHow
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When boiling water (for tea) sometimes a white foam forms on the top of the water? What causes this, and is the foam likely to be comprised of anything other than water? -
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How to Make Hard Water Soft - Converting Hard Water to Soft Water
How to Make Hard Water Soft - Converting Hard Water to Soft Water
3 Ways to Soften Hard Water - wikiHow
