Attachment 25445
I want to see whether I can extract tannin from all the acorns and galls I have to sweep up that is sufficiently acidic to etch steel. If citric acid works ( and it does) then I think this should as well!
Printable View
Attachment 25445
I want to see whether I can extract tannin from all the acorns and galls I have to sweep up that is sufficiently acidic to etch steel. If citric acid works ( and it does) then I think this should as well!
I don't know about that but the acid from the hackberry trees will etch paint quite well.
