I have used many glass cleaners including a recipe my grandmother gave of amonia, baking soda and distilled water.  I try every new kind that come out, especially if it has a coupon to try it free or very cheap.  Windex products in general are by far the best glass cleaners to use for cleaning any glass surface.  Cleaning homes and offices for a living I average anywhere from 1 to 3 bottles a week of glass cleaner.  Windex with amonia is the best of the Windex products.  I find that it cuts greasy finger prints off of busy office entry doors without much effort.  I also like using the no...