Copper Finish on cleaned steel
clean steel with acetone or laquer thinner
100g Copper Sulphate Root killer
100mL 31% muriatic acid
100g Potassium Nitrate (Stump Rot)
1L Distilled water.
seal with water based laquer spray before poly clear clear coat.
Black Groahite Finish
Seed slik as a source of graphite powder
Dip rag into poly clear and wipe graphite onto work.