Homebrew PCBs

> and found red to work best. I'm not sure if you can still get it 
as a
> refill ink in order to load it into an inkjet printer or an empty
> plotter pen.
 

Guess that you could just buy the pens and open them up to put the 
ink into the inkjet printer or plotter pen.

I have used the Sharpie before and works OK, sometimes used it to 
fix traces before etching, never tried just using it as the only 
resist just to fix resist.  I use Ferric Chloride.

Ben