knk
You spelt weigh wrong ya egotistical idiot!
Use a chlorine reducing agent. You can get them at the pool supply. One is called After Shock, but there are others.
This an immposible question to answer as there are constantly new airlines devolping
Assuming you are referring to United States Lincoln cents: 1909-1981 (except 1943) (95% Copper and 5% Zinc) - 3.089 grams (147 to the pound) 1943 pennies are steel with a zinc coating and weigh...