Weird spots?

Hello I was take a look at my brew kettle an I notice this spot https://imgur.com/gallery/5CoNsHm. What is that spot?

I think that’s Pluto

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Looks like a hunk of goo to me.

EEEEE!!! Throw it! EEEEE!!!
Really? scratch… Sneezles61

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LOL That’s funny right there.

Either. Earth from orbid. Or a rust spot. Even stainless. Get rust spots