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soft water

1. n. [Drilling Fluids]

Water that does not contain divalent cations, such as Ca+2, Mg+2 or Fe+2 and is therefore suitable for prehydrating bentonite or polymers.

Synonyms: bicarb

Antonyms: hard water

See: acrylate polymerEDTAguar gumhardness ionhydrationprehydrationstarch

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