Drinking-Water Guidelines - Chapter 18: Aesthetic ...

High pH waters (alkaline) have an unpleasant taste, and the high pH can also impart a soapy feel to the water. Low pH levels may influence the taste of the water indirectly by the release of metal corrosion products. Metallic tastes, whether from corrosion products or natural concentrations of metals, iron for example, can be unpleasant. ................
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