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Cleaning a washing machine with citric acid

Updated February 21, 2017

Washing machines can develop build-up because of mineral deposits and soap residue over time. This build-up may make your washing machine less energy efficient, and may even lead to a broken unit. To clean your washing machine of this residue, you can add citric acid to an empty wash cycle. The citric acid will dissolve stuck-on mineral deposits, dirt and soap scum.

Remove all clothes from the washing machine.

Pour in 1 cup of citric acid crystals into the washing machine drum.

Run a full wash cycle on the hottest setting available on your unit. The agitation portion of the cycle will spread the acid throughout the drum, and the rinse cycle will remove the broken up deposits and soap scum.

Run a final rinse cycle to remove any citric acid residue before you wash a load of laundry.

Things You'll Need

  • 1 cup citric acid
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About the Author

Based in Richmond, Va., Dawn Gibbs writes about topics such as history, fashion, literature, crafts, alternative medicine and healthy living. Her work has appeared on GreenDaily.com and several style websites. Gibbs holds a Bachelor of Arts in history from Virginia Commonwealth University.