Cleaned my copper sink with vinegar and sea salt. A few hours later these salt crystals grew on the rag I used to dry it.

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image showing Cleaned my copper sink with vinegar and sea salt. A few hours later these salt crystals grew on the rag I used to dry it.

elJenibre on February 18th, 2021 at 01:56 UTC »

I think it's Copper (II) Acetate?

quickbeamtheent on February 18th, 2021 at 02:56 UTC »

So, those crystals are quite poisonous.

As well, judging by the size and number of them, you dissolved a decent amount of metal from the sink when you did it.

In other words, don't use salt and vinegar to clean your sink.

celenasardothen on February 18th, 2021 at 04:11 UTC »

Congratulations, you created a medieval pigment called verdigris! Take your crystals, grind them and mix them with oil or egg tempra and you'll be painting like Michaelangelo in no time!

But seriously, everyone is right, that stuff is toxic, and you should look into the proper cleaners for your copper sink.