Keep your Pyrex looking brand new with the help of our conservation team! Image: Engraved Pyrex Casserole with Lid. Spray Pattern. Corning Glass Works. 1935-1936. CMoG 2007.
Stephen Koob, the head of the Museum's Conservation Department from 1998-2020 writes:
Cleaning your beloved Pyrex — whether clear, colored, decorated, or plain — can be a challenge and should be done with care.
First, never, ever put any Pyrex through a dishwasher. This is the fastest and most damaging thing that you can do. It will slowly etch the Pyrex, and probably will not even do a decent job cleaning it. I generally recommend that you never put any glass through a dishwasher.
Check out his blog post "How to Clean Pyrex," for more information on tackling stubborn grease stains.
Please do not hesitate to ask us your glass-related questions in the future!
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