[kenrinc]

I've been having this problem for a couple weeks where my copy cad/zinc bath doesn't seem to be working well anymore.

Basically the plate doesn't seem to ever cover the entire part; almost like it only plates in certain areas and no matter how you adjust the current it won't plate in those areas or plates a dull grey plate. Almost like it only plates near the anode. The parts are flat out clean. I sandblast, rinse and go into the bath. Sometimes I do a pickle but not always and either way it doesn't seem to make a difference. The areas that do plate aren't that bright and I have added brighter to see if that was causing it. Doesn't seem to do anything. I sandblast my anodes and wash before using.

In my haste, I may have added too much brighter and am not sure what to do if I did. How can I remove it? I'm considering just ordering a new bath but was told it will last forever.

Appreciate any help

Ken-