Water that contains mineral salts (as calcium and magnesium ions) that limit the formation of lather with soap.
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"Hard water" Quotes from Famous Books ![]() ![]() — Scientific American Supplement, No. 841, February 13, 1892 • Various ![]() ![]() ![]() — Scientific American Supplement, No. 460, October 25, 1884 • Various ![]() |
Words linked to "Hard water" : H2O, soft water, water |
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