There a few things that really help prolong the life of your White Board while making sure it is still squeaky clean.. here are a few tips.
1. Only Use Dry Erase Markers
2. Avoid using other cleaning liquids, household or abrasive cleaners.
3. Replace your Eraser Regularly, because they build up and leave marks.
4. Clean your white board 3-4 times a week with Liquid White Board Cleaner.
5. Clean your white board with a clean cloth or white paper towel.
6. If you have to use Thinners Or Methalated Spirits to remove permanent marker, do so sparingly.