This has been a real mystery for me at work. For the past three days I've eaten salads for lunch. I used a plastic bowl with a lid and when I was finished with the salad, I didn't rinse out the bowl and left my plastic fork in the bowl with the lid sealed over night. Well, the next day, when I open the lid, the prongs of the fork are always broken off... like they melted or something. This has happened three days in a row.

Is it something to do with the sealed container, or the dressing residue? Each day I used a different salad dressing but the result was the same. The fork was just laying in the bowl so there's no reason it should be broken in pieces the next day...

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    $\begingroup$ We'll need more info about those salads in order to properly answer this query, and for sure need to find out about that dressing in detail. Please amend your post with more information and we'll hopefully get some resolution on the fork issue before any further negative utensil-related incidents occur. $\endgroup$ – Todd Minehardt Oct 2 '15 at 22:31
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    $\begingroup$ If it's at work, using a communal fridge, suspect a coworker with odd sense of "humor". $\endgroup$ – DrMoishe Pippik Oct 4 '15 at 1:36
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    $\begingroup$ DrMoishe Pippik has a point. Try it at home on a weekend. // The only other idea is that some oil could be dissolving into the surface layers of the plastic creating a lot of stress. That would seem really weird though. $\endgroup$ – MaxW Oct 25 '15 at 6:42
  • $\begingroup$ Those cheap plastic forks carry a lot of internal tension from the production process, check google for pictures on "plastic fork polarised light". $\endgroup$ – Karl Aug 23 '16 at 16:13
  • $\begingroup$ It may be due to acids present in the salad. $\endgroup$ – Harsh Wasnik May 11 '19 at 15:59

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