Homebrew PCBs

On FR4 I get a very small amount of staining.  It is a slight bluish 
mottling which I can certainly live with.  Its barely visible.

I dont think water works well with acetone.  If I haven't completely 
dried off the board, the toner will not disolve. 

--- In Homebrew_PCBs@yahoogroups.com, Stefan Trethan 
<stefan_trethan@g...> wrote:
> On Mon, 21 Jun 2004 19:56:43 -0000, Phil <phil1960us@y...> wrote:
> 
> > nail polish works very well except it takes a little time to dry 
(hot
> > air gun works great on it).  works well in ammonium perchlorate.
> >
> > acetone is an awesome resist remover, especially on toner which 
comes
> > off in seconds with an old toothbrush.
> 
> And it is not rubbing into the epoxy?
> 
> why is this happening only to me?
> 
> are you using undiluted acetone?
> 
> I'm not surprised it is attacking the boards, i use it regularly to
> solvent-glue plastic, but you guys repeatedly say it works for pcbs 
and
> i wonder why it doesn't work for me.
> 
> ST