Does anybody have any sure fire ways of removing hard water spots from glass on the side of a car? I have tried Windex, Bam hard water stain remover, and even a "high dollar" remove all that you can purchase at any gas station for about 4.00 per gallon, did not even touch it.
It looks as if the car sat next to the sprinkler system and it baked the water into the paint and glass.
Any ideas?
TIA
Clay