Copper Oxidization or Giving Copper a Greenish Look

Hello,

I want to patinate the copper roof of my house immediately when I am installing them, just tell me which chemicals and acids I use to give it a greenish look immediately and if I do so then there will be no problem of poison. please do help me as soon as possible.

I have one more problem how can I use copper or brass waste or powder in my flooring as a matter of fact I want to use it with concrete but I know it will turns black after some time. How can I give a life long look and it will not turns black or if it does so what will I use to give it a new look again.

Green patina for copper:

3 gm.copper sulphate

90 gm. ammonium sulphate ⇦ on eBay or Amazon [affil link]

1 ml ammonia ⇦ on eBay or Amazon [affil link] 25%

1 lit. water

Good luck!