Water spots baked on will not come off glass door.

Try a hard water cleaner??

See above.

Steel wool. It will not scratch the glass.

CLR mixed with water in a spray bottle. Takes the hard water stains off without having to scrub until your arms fall off.

Thank you"

I was shocked at how Bar Keepers Friend cleaned up a shower door. I made a paste with it and water (it was thick, like chocolate syrup) and applied it with a Scotch pad. Rinsed well. Really no elbow grease involved!

athanks so much!

Hi Nancy, you can try toothpaste, the non-gel kind. Put a small dab of toothpaste on a damp cloth and gently rub it in a circular motion.

Here are some suggestions:

https://glassdoctor.com/blog/how-to-remove-water-spots-from-window