How to clean spotted glass?

use a wadge of kichen roll, that avoids newsprint mucking your hands

If spots and haze remain, fill a dishpan with warm water.

Add 3 or 4 drops of dish soap and 2 or 3 drops of ammonia to the water. Soak the glassware in the solution until the water cools.

Rinse the glassware with clean water, and buff it dry with a clean towel.

1.Combine a paste of vinegar and baking soda. This natural solution is the cheapest formula to remove hard water stains from glass.

2 Apply the paste to the hard water stains using a scrubbing sponge in a circular motion. Work the hard water stain while applying this paste and allow it to sit for 15 minutes.

3.Wipe off the paste with a damp towel and remove excess water with a squeegee. If you are lucky your hard water stains will be removed. If your stains have been sitting for several years you may need to further clean your glass.

4.Apply a cream stove-top cleaner to the remaining hard water stains in a circular motion with a scrubbing sponge. Allow the stove-top cleaner to dry for 15 minutes.

Buff the dried stove-top cleaner with a towel. Your glass will now be free of hard water deposits. You will need to repeat this process once every six months to keep your glass free of hard water build-up.

Dawn dish soap & hot water & a razor blade. Get the window wet then use the razor blade gentle scrape it, Do not do this on a dry window or you will scratch it. Then rewash the window and use a squeegee and several clean rags to wipe the edges of the window.

with window cleaner, wipe with newspaper circular on one side, upanddown on the other so that streaks can be easily seen