Q: My 2-cup Pyrex measuring cup has a film on it. I have tried vinegar and bleach, and nothing helps. I use Cascade rinse in the dishwasher. Any suggestions?
— Joyce Funderburg
South Bend, Ind.
A: Mineral deposits in water can turn glassware cloudy. Sometimes that film can be removed with vinegar or a product such as CLR.
However, since you’ve already tried vinegar without success, I’m afraid the cloudiness may be permanent. That happens when the heat of the dishwasher’s drying cycle bakes the minerals into the pores of the glass and etches it.
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