Hoover Microbial Growth in Tanks, Hoses, or Brushes

Hoover carpet cleaner leaves a musty or sour odor during use

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Possible Causes

Dirty water left in tank, Damp brushes stored without drying, Buildup of detergent residue in hoses, Contaminated filters

How to Fix / Troubleshooting

Safety first: Unplug the unit and empty all tanks.

  • Deep clean tanks: Wash the clean and dirty water tanks with warm water and mild detergent. Rinse thoroughly and allow to air dry completely.
  • Sanitize hoses and nozzle: Run a solution of warm water and white vinegar (1:1) through the system, then flush with clean water.
  • Clean brushes and filters: Remove brushes and filters, wash with warm soapy water, and dry fully before reinstalling.
  • Storage: Store the unit with tanks removed and nozzle off to allow airflow and prevent mold growth.
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Repair Difficulty

Very Easy 1/5

Required Part

Dirty Water Tank Assembly
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