I hold some antique glassware next to buildup,tried everything to verbs,even clr,cant receive it out,any accepted wisdom? ...


Answers:    It may be permanently etched especially if hot vinegar doesn't work. You can experiment it by taking a razor blade to the chalice, if you are able to gash through the cloudiness it can be removed, but if you cannot it is permanently etched and nearby is no way to remove it.
vinegar