Hi Peggy, you can try this! https://home.howstuffworks.com/home-improvement/household-hints-tips/cleaning-organizing/how-to-remove-hard-water-spots-from-windows.htm
CLR or straight vinegar let sit scrub off with green scrubber sponge;put straight stuff on paper towels or cloth-thin tshirts cut in pieces work best(just dampen them so they stay up on glass and let it sit for 10 minutes or more scrub with scrubber pad;rinse with hot water
Nano cloth at Amazon. Dampen with water & wipe it clean. Amazing results!
toilet bowl cleaner
May etch the glass! Be quick and careful.
I polish with damp rag and dry baking soda.
Thank you I will try that.
Use a flat edge razor.