rust removal

Does anyone know what will remove rust spots from a kitchen sink. (cast iron/porcelain)??
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CLR works fairly well (use patience and let it do its job.) Also leave some straight cholrine bleach on the stains overnight.
Jim

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Use "Iron Out" sold by the household chemicals at any dept.store. Read the directions first. It will definitely make rust disappear.
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Oxalic acid works best. It is available in Zud, just sprinkle a little on the dampened stain, let it set covered with a wet paper towel for a while (overnight if possible).
Regards,
John
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Barkeepers Friend removes rust, but this stuff is abrasive. Use CLR.
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