Glossary of Water Treatment Terms & Definitions - Z

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Zeolite

Naturally occurring or synthetic hydrated sodium alumina silicate with ion exchange properties. Zeolites have been largely replaced with synthetic organic cation ion exchange resins. Modified Zeolites can be selectively charged with exchange minerals such as potassium and used to remove undesirable elements such as iron, hydrogen, sulfide, and manganese.

Zero Soft

Water with a total hardness less than 1.0 grain per US Gallon (17.1 ppm), as calcium carbonate.