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Old December 21, 2012, 09:23 AM   #9
hounddawg
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Join Date: March 1, 2009
Posts: 760
any detergent will act as a surfactant, a surfactant acts to lower the surface tension of a liquid or that between the liquid and the brass. To remove the patina you will need a mild acid of some type. Powdered or natural citric acid, vinegar etc. I did some research on the lemishine, most analysis shows the active ingredient be just citric aid

here is a long read on lemishine for those interested

http://www.chemistry-blog.com/2012/0...in-lemi-shine/

pure powdered citric acid is available pretty cheap if you want to save a dollar or two. Like a previous poster said a pinch goes a long way so one package of whatever should last you for years and years
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