Copper kills slugs where as salt only dehydrates them, but they continue to live....Penny Ball for the garden. Pennies in the garden repel slugs and make hydrangeas blue. I love this idea. It looks old and new and beautiful.
Homemeade Formula for Aging Metal - 1 cup of hydrogen peroxide, 1 cup of white vinegar and two tablespoons of salt. Put it in a spray bottle. This can be used on anything you want to create an aged patina...copper, brass, galvanized or steel.