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I couldn't find something that resembles this but one day I used my stainless steel pan and I think I didn't clean it properly so I woke up to discover these "stains" on it (BKF didn't help scrub them off): Discoloration 1 Discoloration 2

Anyone know what these could be and how to treat it? Not sure if it's even safe to cook in it anymore.

marked as duplicate by rumtscho Mar 14 at 12:07

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  • I don't think this applies to the "brown stains question", Divi. These look more like inside stains, possibly a light residue from the food. I get them occasionally (but I ignore them). – elbrant Mar 14 at 2:30
  • Yeah it's not something you can "feel" on the pan, it's more like embedded inside it? I tried scrubbing but nothing sadly – Vincent Mar 14 at 2:55
  • We have dozens of older questions about discolorations on stainless steel, and while people sometimes describe them differently, it seems that frequently it is just a matter of word choice. Also, no matter what the supposed color, as long it is not polymerized oil, all the answers go into the same direction. So I closed as one of the older ones saying "cloudy", which roughly applies to this picture too. – rumtscho Mar 14 at 12:08