steeranoff
Well-known member
when I redissolve the grey mud from my cat processing
I still have some black mud that won't go into solution
Using full strength Ar. Could that be rh too? Or is it
Contaminate from the zinc powder I'm using?
I still have some black mud that won't go into solution
Using full strength Ar. Could that be rh too? Or is it
Contaminate from the zinc powder I'm using?