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How to remove colloidal silver stains? Answered

​Does anyone know of a method for removing colloidal silver stains from porcelain? I'm afraid I may have ruined my sink!

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steveastroukBest Answer (author)2014-03-10

Try swabbing with ferric chloride or ferric nitrate solutions to etch the silver.

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user

Will doing so damage the porcelain?

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user

"damage" more than being bluey-green ?

Hence "try", generally, no, in my experience porcelain isn't affected.

You could also try a metal polish.

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