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The majority of the potassium chloride produced is used for making fertilizer, since the growth of many plants is limited by their potassium intake.

As a chemical feedstock, it is used for the manufacture of potassium hydroxide and potassium metal.

It is also used in medicine, lethal injections, scientific applications, food processing, and as a sodium-free substitute for table salt (sodium chloride).

It is sometimes used in water as a completion fluid in petroleum and natural gas operations, as well as being an alternative to sodium chloride in household water softener units.

KCl is useful as a beta radiation source for calibration of radiation monitoring equipment

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12y ago

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