Originally Posted by Oldelkhunter
[quote=RAN][quote=Oldelkhunter] I put KG12 on a tarnished penny and it dissolved half of it in no time at all.
Quote


Must have been an old penny. The US mint stopped making solid copper pennies in 1982.

RAN


Don't know what year it is , the KG12 dissolved it and best of all it doesn't stink or destroy bores if left in them.


I used to use KG12, but if memory serves, it etches the bore.

24HCF in its entirety, is solely responsible for why my children do not have college funds, my mortgage isn't paid-off and why I will never retire early enough to enjoy the remainder of my life.