Some things i used copper sulfate of

Cool look. I’ve been playing with the Steel F/X Patina solutions for coloring steel. Premixed solutions for different color effects. Love how fast it works and the different colors that result.

Copper sulfate is very cheap and very unpredictable. Use it 5 times on a peice of metal you will get 5 different results. Its alot smarter than i am i cant figure how to make in consistant.