Expo markers are dry-erase markers designed to be used only on dry-erase boards. Chalkboards are not designed for these dry-erase markers. If you accidentally use one on a chalkboard, you might not be able to simply wipe it off. Use cleaning solutions, and try the least-abrasive cleaning solution first to make sure you don't damage your chalkboard.
Things You'll Need
- Distilled white vinegar
- Rubbing alcohol
Mix 1/2 cup distilled white vinegar into 1 gallon warm water.
Dip a cloth into the white vinegar and rub it over the Expo marker. Rub until the marker is gone or until you can no longer remove any of it.
Dampen a cloth with rubbing alcohol if the stain is still visible.
Rub the cloth over the stain until it is gone.
Blot acetone onto the stain if you can still see it. Work until the stain is gone.
Rinse the chalkboard with clear water.
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