"Even if that's the look you're going for, it's very difficult to control how much the copper will age."įar be it from us to question Chip and Jo, but perhaps, in the end, it's better to let copper patina at its own rate-just to be safe. "We do not recommend the use of salt, vinegar, or acids to copper because it naturally develops a patina over time," says Quality Bath's Fay Friedman. This includes but is not limited to welding, machining, casting and general fabrication. We received differing opinions on the matter. How can I make purple patina like this on brass (or copper) This subreddit contains almost every aspect of metalworking. Still, take this advice with a grain of salt. "Remember that the longer you leave the solution on the copper then the more aged your copper will begin to look." "The reason it works is because of the salt and vinegar in the pickle juice itself," he explains. Lily Cameron, cleaning expert at Fantastic Services, says she does something similar, and Martha Stewart herself has blessed the method.Īs for aging, Krzyston agrees that pickle juice is a cheap, easy, and effective DIY solution. "If lemons aren't doing the trick then grab a lime." "Use a soft cloth and the mixture to buff out the impurities of your aged copper," he says. To clean copper, Krzyston recommends a mixture of lemon juice, which is slightly less acidic than vinegar, and baking soda. The borax fuses to an exceedingly thin layer of glass on the surface. Often the back side of a sheet will develop some reds and blacks, sometimes quite beautiful ones. But when unrinsed and left to dry, the coins turned blue-green. Copper which is heated to glowing with no surface treatement, and allowed to cool in air, will develop beautiful, intricate brown colors. "The more time you leave the mixture on the metal determines the design aesthetic you are looking for."Ī simple science experiment by Little Bins for Little Hands backs up those claims: When soaked in salt and vinegar then rinsed, copper pennies looked shiny and new. "Salt and vinegar can be used to polish copper, but it also could be used to patina copper," Los Angeles-based designer and contractor Justin Krzyston tells. So what's the dill? Does pickle juice polish copper or age it? Apparently, both!
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