Tomatoville® Gardening Forums - View Single Post - penny's worth of copper to fight diseases?

clspie · June 27, 2020

I believe that a modern cent is only 2.5% copper, the rest is zinc. However older pennies are mostly copper.

June 27, 2020	#19
clspie Tomatovillian™ Join Date: Aug 2007 Location: Erie, PA Posts: 42	I believe that a modern cent is only 2.5% copper, the rest is zinc. However older pennies are mostly copper.