Quote:
Originally Posted by Silicon
I submerged them in some phosphoric acid that is used by caterers to descale kettles, etc.
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I use citric acid monohydrate to de-scale my kettle: does an excellent job. Citric acid monohydrate is reality available at many pharmacies, it's cheap and should be effective at removing rust from steel, too, although I haven't tried it for that purpose yet.
As for phosphoric acid, I do believe that that is the active ingredient in 'Jenolite' - the favourite for neutralizing rust on car bodywork.
Al.