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Humidifier Maintenance Tips - Caring for Your Humidifier

By Mariette Mifflin, About.com

Photo: © Mifflin
Portable humidifiers require regular cleaning in order to reduce the risk of bacterial growth, and to remove any scale residue to maintain good operational performance. Cleaning is not too difficult, and these tips are general in nature.

You should consult your product manual for your manufacturer's specific care recommendations, and for information on the type of filters or wicks that are required, whether they are washable, and how often you should change them.

The instructions will also include what solution should be used to clean the base and reservoir. In the absence of specific instructions, handwashing is recommended and follow the general guidelines below. For illustrated step by step method see Step by Step Humidifier Maintenance & Filter Replacement.

Humidifier Cleaning
  • Turn your unit off, and unplug it before dismantling
  • Remove the water reservoir, and fill 2/3 full of water and a tablespoon of chlorine bleach. Let it sit for 20 minutes, and move the solution around to clean into the corners. Empty and rinse several times to remove all chlorine from the tank.
  • Remove the filter or wick, and if these are washable, immerse in a sink of cool water, or rinse under running water. They may require replacing - inspect their condition.
  • Empty any water residue from the base of the humidifier, and add undiluted clear vinegar. Let is stand for about 20 minutes and drain. Add a little water to rinse, drain, and wipe clean.
  • Replace your filter.
  • Wipe the outside of your unit with a warm water/vinegar cloth.
Other Care Information

If you are not operating your unit for a few days, drain off any water, clean it and dry completely before storing. Do not allow water to remain in the unit.
Do not add salt or any other substance to the water reservoir - it can damage your unit.
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