How to Reactivate a Charcoal Filter

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Charcoal filters, also known as activated charcoal, are created when the pores of charcoal are activated with oxygen, thereby opening and creating an absorbent material. Charcoal filters are used in a variety of appliances, such as refrigerators and air filters, as well for as water purification purposes. While a charcoal filter should already be activated when purchased, reactivating the filter is possible to clean and extend the life of the filter.

Things You'll Need

  • Water
  • Dish washing liquid
  • Dishwasher (if applicable)
  • Oven
  • Oven pads
  • Remove the filter from the appliance and wash the filter either in the dishwasher or with warm water and a few drops of dish washing liquid. Rinse the filter well.

  • Turn on the oven to approximately 200 degrees Fahrenheit and allow the oven to preheat.

  • Place the filter in the oven on an oven pan. Close the oven door and leave the filter in the oven for about 10 minutes.

  • Remove the charcoal filter from the oven using protective oven pads and allow to cool before touching. When the filter is cool, replace the filter in the appliance.

  • Repeat approximately every two months or when the filter seems excessively dirty or is not functioning properly.

References

  • Photo Credit Nicholas Eveleigh/Photodisc/Getty Images
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