Originally Posted by pruchai
I bought a used shell few weeks ago, and it looks like the truck it was on on the shell itself has been sitting for a while and glass has some calcium deposits like on shower doors.
I've tried couple of glass cleaners from the autoparts store and tried 50/50 water and white vinegar mix. it helped a little bit, but the stains are still there and visible.
How do i clean that stuff? Is it Ok to gently polish the glass with some kind of smooth compound?
You can get hard water spots off easily. It takes a little rubbing compound or clay bar. I like scratch out. Be sure to work in small areas though and you can apply more pressure on the glass than you would the paint.
Wait a minute, I just re-read the post. Are the windows plastic or glass? If they are plastic, they will come off using the same/similar product that some people use on their head lights to remove the deposites and swirl marks as well as a fine compound.