How do I Clean a Bionaire Humidifier Filter?

Written by jeffrey brian airman
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How do I Clean a Bionaire Humidifier Filter?
A clean Bionaire humidifier runs more efficiently than one clogged with deposits. (living room interior image by leafy from

You can clean debris and mineral deposits from a Bionaire humidifier using a common household cleaner. Over time the filter inside a Bionaire humidifier builds up lime and other mineral scale from the water that passes through. These deposits clog the filter pores and slow the filtration process. Get a Bionaire working as well as the first day it was plugged in by cleaning out the filter in less than half an hour.

Skill level:

Things you need

  • Owner's manual
  • Shallow tub
  • 2 cups distilled white vinegar
  • 2 cups distilled water

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  1. 1

    Review the owner's manual to locate the position of the Bionaire humidifier filter. Filters vary in size and structure, but all are easily removable. Some humidifier units have a label on the compartment where the filter is held.

  2. 2

    Power off the Bionaire humidifier and unplug it from the power source or remove the batteries.

  3. 3

    Lower the filter into a shallow tub that contains a 50-50 solution of vinegar and water until it is completely submersed.

  4. 4

    Flip the filter over in the shallow tub and swish it around after it has soaked for 10 minutes.

  5. 5

    Remove the filter from the tub and rinse it thoroughly under cool running water.

  6. 6

    Dry the cleaned Bionaire humidifier filter in a warm location with good airflow overnight before returning it to the unit.

  7. 7

    Plug the Bionaire humidifier back into the power source or replace the batteries and turn it on.

Tips and warnings

  • Clean the filter every 60 days or anytime there is a noticeable decrease in the performance level of a Bionaire humidifier.
  • Some humidifier filters fall apart after their third or fourth cleaning and may require full replacement.

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