Keris for comment

[Drabant1701]

Originally Posted by David

What did you use to etch this blade?

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.