- 1). Spritz water on the mirror with a spray bottle to prevent mold spores from becoming airborne. Wipe the mold spores off with a paper towel. Discard the paper towel in a sealed trash can.
- 2
Household ammonia kills mildew on glass.Jupiterimages/Photos.com/Getty Images
Fill a bucket with 1 gallon of warm water. Add 2 tablespoons of ammonia. - 3). Dip a clean cloth in the diluted ammonia solution. Wring out the cloth to remove excess moisture.
- 4). Wipe the surface of the mirror with the ammonia-dampened cloth. Rinse the cloth as mold stains lift off the mirror. Add more ammonia solution and continue to clean the mirror to remove remaining mold spores and stains.
- 5
Dry the mirror to prevent streaks.Digital Vision./Digital Vision/Getty Images
Dry the mirror with another cloth. Buff the glass to a shine with a second cloth, if desired.
Source...