Frosty Posted August 25, 2009 Share Posted August 25, 2009 (edited) Just recently Charlotte brought up CLR as doing a good job of derusting iron and steel. Well today I needed a pickle for copper and PH down is too slow. Muriatic did a good job of removing the fire scale but caused the copper to tarnish as soon as it dried. for reasons I'm sure folk who work with copper alloys have known for centuries. Anyway, Deb suggested trying the CLR under the sink and it worked a treat. Nice clean copper and no tarnishing. Frosty Edited August 25, 2009 by Frosty Quote Link to comment Share on other sites More sharing options...
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