D divadoll Joined May 3, 2010 Messages 7,095 Reaction score 98 Sep 11, 2010 #1 Ketchup! Pour ketchup on the copper piece, let it sit for a couple of minutes and the acid from the tomato will eat tarnish.
Ketchup! Pour ketchup on the copper piece, let it sit for a couple of minutes and the acid from the tomato will eat tarnish.
flipshawtii Joined Jul 19, 2008 Messages 721 Reaction score 13 Sep 11, 2010 #2 Nice! So will a plain tomato work? Where will toothpaste work with what metal? My science teacher told me this one time and I forgot.
Nice! So will a plain tomato work? Where will toothpaste work with what metal? My science teacher told me this one time and I forgot.
D divadoll Joined May 3, 2010 Messages 7,095 Reaction score 98 Sep 11, 2010 #3 Toothpaste is good for gold and silver. I've never used a real tomato. It's easy with ketchup because almost every fast food place gives you a gazillon packets of ketchup!
Toothpaste is good for gold and silver. I've never used a real tomato. It's easy with ketchup because almost every fast food place gives you a gazillon packets of ketchup!