Are you referring to rinse aid? Dishwasher rinse aid makes water sheet off glass for a spot free finish. Yes, I have used it to clean glass, however I personally prefer using a bucket of warm water with a few drops of Dawn and a squeegee.
If your issue is hard-water minerals, all you have to do is soak your cups for five minutes in white vinegar. Since it's acetic, it'll dissolve the minerals. If stubborn spots still persist, gently rub them off with baking soda. Then rinse the glasses by hand and dry them with a lint-free towel or a microfiber cloth before drinking out of them again.
unless glass is etched (sorry, no fix here) you can fill it with white vinegar, let it sit for an hour or so.....then schour with scrubber or even steel wool.
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https://www.goodhousekeeping.com/home/cleaning/a38591/how-to-clean-cloudy-drinking-glasses/
Are you referring to rinse aid? Dishwasher rinse aid makes water sheet off glass for a spot free finish. Yes, I have used it to clean glass, however I personally prefer using a bucket of warm water with a few drops of Dawn and a squeegee.
Your best bet is using a little bit of vinegar in your rinse agent. =)
HOT white vinegar. Let is soak a while and it should remove the film. If it doesn't the glass is etched and nothing will remove that.
If your issue is hard-water minerals, all you have to do is soak your cups for five minutes in white vinegar. Since it's acetic, it'll dissolve the minerals. If stubborn spots still persist, gently rub them off with baking soda. Then rinse the glasses by hand and dry them with a lint-free towel or a microfiber cloth before drinking out of them again.
I'd soak them in diluted vinegar overnight.
unless glass is etched (sorry, no fix here) you can fill it with white vinegar, let it sit for an hour or so.....then schour with scrubber or even steel wool.