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Originally Posted by David
What did you use to etch this blade?
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I read that the correct way to etch keris is with arsenic and lime. I had lime-juice but no arsenic, lime juice alone did not etch at all. Lemon juice did not do much either. Finaly I tried dilluted Ferric Chloride (about 20%) that etched pretty quickly, I did not etch very long since ferric is rather strong.