Home & Garden

March 20, 2014 5:59 PM

Problem with old smoke detectors isn’t color – it’s age

Q: I have several smoke detectors from about 10 years ago that have turned brown. I see that they say “do not paint” on the covers. What causes this discoloration? Is total replacement the only answer? What can I do to make them white again so they do not stand out on the white ceilings?

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