wanabe

vinegar is great on water spots that have not hardened- and stoners is good stuff too.

sal zaino makes a good glass polish- i use the pc on a fairly low speed. test in very bottom or very top of windshield first-
even clean glass has impurities after awhile. have used this stuff for light scratches and it is great at mild stains (like water spots).
more info:

http://www.zainostore.com/Merchant2/mercha...oduct_Code=Z-12