@harmonyards posted:Mark, very good to hear from you!..
1. Everywhere & anywhere!....and when I do, I buy in bulk!..
2. Caswel chemicals, they have a great product line of blackening chemicals, they have Oxides for just about every kind of metal,..these are cold oxides, designed for the DIY guy, and available in large or small quantities,.....
Pat
Thanks Pat...
Mark in Oregon