How do you force patina on copper?
Keeping this in view, how do you make copper look old?
In a spray bottle, mix an aging compound out of vinegar, household ammonia, and table salt. Spray the copper with window cleaner, then coat the item with the aging compound. Place the object into a plastic bag to create humidity. After about an hour, remove the item from the plastic and apply the patina again.
Also Know, how long does it take copper to Patina?
Copper goes green and turquoise after prolonged exposure to moisture. Without accelerating the process, it can actually take 20 years or more in dry climates for this patina to develop. Can you accelerate the copper roof patina process?
Soaking copper in white vinegar and salt will create a blue or green patina. Other ways of doing this are to bury the copper in sawdust or crushed potato chips soaked in white vinegar. The longer the copper is buried, the darker the patina becomes.