PCB pens

[Paul Perry]

At 01:56 PM 23/01/00 -0500, Mike I." <mirwin1 wrote:
..good advice, this is exactly what I do, even the
same pen!!
the only difference is I use ammonium or sodium persulphate,
miles better as you can see right thru it. And it is less 
corrosive and staining.
I use one of those thin plastic fish tank things with an 
aquarium bubble pump. In Austtralia you get them from Dick Smith.

paul perry melbourne australia