I have ferric nitrate crystals and I am looking to use it to etch
sterling. Anyone know how much ferric nitrate to mix with how much
water to make a good etching solution?
Tim
A2Z Metalsmith Supply Inc
5151 S Federal Blvd Unit I-9
Littleton CO 80123
720 283-7200
Where you can rent laser welder time
www.A2ZMetalsmithSupply.com