Soft water
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This article is about naturally occurring soft water. For man-made soft water, see Water softening.
Soft water is the term used to describe types of water that contain few or no calcium or magnesium ions. The term is usually relative to hard water, which does contain significant amounts of such ions.
Soft Water usually from peat or igneous rock sources, such as granite but may also derive from sandstone sources, since such sedimentary rocks are usually low in calcium and magnesium.
