Homebrew PCBs

"lcdpublishing" <lcdpublishing@...> writes:
> chemical will stay "active" and as such, I could be reusing it.  Has 
> anyone tried this?

So far, my developer and stripper haven't "aged" and I use them very
infrequently.

> Should the resist be removed or can it be left on the copper?

In my case, I strip the film off with a NaOH solution, and tin plate
the copper to protect it.