[nathanbs]

Originally Posted by 962porsche

the misconception with zinc is you have to cover the bare metal to protect it . this is faults .
all you need to do is have zinc next to a bare metal area for it to protect the metal .
if your a boat owner and your boat is in salt water you will know the zinc plate you bolt to say your rudder helps protect the metals from rust and oxidation in the area around the zinc block bolted to the rudder .

Interesting and smart