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I left some acetone in a sink for around 90 minutes and it turned white. From scraping at stopper I found that it appears to be a residue or at least surface level damage. What is the best way to remove this residue?

Sink stopper after acetone

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    acetone evaporates cleanly, so it should/can't leave a residue. If something was left behind, certainly new acetone will remove it. I suspect however that it dissolved coloring of the material, which can't really be fixed.
    – dandavis
    Dec 19, 2021 at 19:28
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    thinking about it more, I would try more acetone; the mark could be a deposit of minerals dissolved by the acetone and left behind on the stopper when it evaporated. If they dissolved once with acetone, they have to dissolve again with acetone. Just wipe it up before it dries this time...
    – dandavis
    Dec 19, 2021 at 21:03
  • Be very careful about leaving acetone around in the open without a lot of ventilation - it evaporates easily and you don't want an explosive mix of acetone vapour in air. Dec 25, 2021 at 16:12

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I tried what dandavis suggested in the comments and used more acetone to dissolve the residue and it worked. It allowed me to remove the residue to the point to where it now looks close to the way it did originally.

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