Water spots on glass.

Permatex Glass Stripper.

It works very well. :thumblef:

Follow the directions.

Your local Napa can order it.

http://www.permatex.com/products/au...s/glass_care/No_Touch_Auto_Glass_Stripper.htm

No Touch® Auto Glass Stripper®

A heavy-duty cleaner specially formulated for auto windshields. It removes silicone build-up, hard water stains, mud, oil, bugs, and tar that other cleaners cannot.
Item # Container Size Pack Part # MSDS TDS
95208 8 fl. oz. bottle 12 GS8-12 N/A

All No Touch® Item No.’s are prefixed by 018588.