These white cloudy marks are caused by placing hot dishes directly on the surface. It’s been damaged like this for several years.
Hard to deal with and even harder to see the damage that has been done. We have all been there. In the past you just end up using something to cover the unlightly mark and hope no one notices.
Have a look through this tutorial and fix this marks once and for all.
Use one cup of rubbing alcohol, one cup of water, and one tablespoon of vinegar per batch. Fill the spray bottle and use as a glass cleaner. Store in a cool cabinet away from any heat source because the alcohol makes this mixture flammable.
This cleaner evaporates quickly so you don't end up with spots, is inexpensive and works as well as most commercial glass cleaners.
