Turn off and unplug the humidifier.
Lift the main housing off of the humidifier base and set aside. Remove the PermaWick air filters from the base.
Place the PermaWick filters in a bucket filled with 1 gallon of warm water and 1 cup of white vinegar. Allow them to soak for 20 minutes.
Remove the filters from the water and rinse them thoroughly. Shake off any excess water and set the filters in a well-ventilated area to air-dry.
Lift the water tank from the base. Remove the tank cap and pour out any water.
Place the base of the humidifier in a bucket filled with 1 gallon of water and 1 cup of white vinegar. Let it soak for 20 minutes.
Wipe the base of the humidifier with a cloth to remove mineral buildup. Rinse the base with water and allow to air-dry.
Fill the water tank with 1 gallon of water and 1 cup of white vinegar. Replace the tank cap and shake the tank to disperse the vinegar solution.
Remove the tank cap and pour out the vinegar solution. Rinse the inside of the tank thoroughly with clean water. Pour out any water and set the tank and cap aside to air-dry.
Squeeze the two tabs on the water-diffuser cap to remove it from the main housing. Rinse the cap with clean water. If any mineral buildup remains, soak the cap in a bucket filled with 1 quart of water and 2 oz. of white vinegar for 20 minutes. Rinse the cap thoroughly.
Set the water-diffuser cap back into place on the main housing, snapping it into place.
Wipe the exterior of the humidifier with a dampened cloth to remove any dirt or dust.
Fill the tank with cool water and replace the tank cap.
Set the PermaWick air filters into place on the base of the humidifier, following the insert guides.
Set the main housing into place on the base of the humidifier.
Set the tank in place on the humidifier. Plug the humidifier in.