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|  13th September 2010, 11:07 PM | #10 | 
| Member Join Date: Apr 2005 
					Posts: 3,255
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			Tim, pineapple juice is better for cleaning a rusty blade. Most of the boldly laminated Moro blades shown by well-known sellers have been stained with ferric chloride; while impressive, it may be argued that this stain is not traditional. This blade was etched with hot vinegar: http://www.vikingsword.com/vb/showthread.php?t=6792 Vinegar is the main active component of coconut water - apparently the traditional cleaning and etching fluid. Keep the etching time short: the blade should stay smooth and not corroded as in keris Jawa. You may have to do several rounds of polishing and etching to get a decent staining, especially if the blade has been polished with power tools by some former owner. Regards, Kai | 
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