Just curious if anyone else has tried this. The last two days have been really wet here and my copper pot was looking a bit dull. I added about 1/2 a teaspoon of ketchup and rubbed it all over. Washed it off and it is shiny like the day I got it. Just dried it, conditioned it and now it is pretty again.
Just curious but what made you think of katchup?
I once worked for a guy to cheap to buy brasso - I guess it is the acid in ketchup that does the trick.
Its true, Ketchup causes a chemical reaction with copper and makes it shine. I used to use it when I managed a restaurant to clean the pipes on equipment.
Its the salt and vinegar. I have tried it from a home remedy type book for tarnished metals.