Can also be done cheaper by just buying some Ferric Chloride and skipping the brand name, or even cheaper by just using vinegar and a little peroxide. NiK-a-date $5 for 1.25 oz, Ferric Chloride $7 for 16 oz, vinegar $1 a quart.
Can't help it, I'm cheap.
Edited by Conder101
02/25/2019 11:35 am