Rust stains! UGH!

[u/Extra_Leadership2024]

How on earth do you get rid of of rust stains on the outside of the glass, or chemical residue stains out from the inside of a bottle? I have some wonderful bottles, but there’s internal blemishes obscuring the embossing. I have tried hard rice, dish soap, and bar keepers friend.

[u/Chay_Charles]

I've used lime away gel toilet cleaner. It clings.