Homebrew PCBs

On Thu, 29 Sep 2005 17:37:32 +0200, Andrew Mawson <andrew@...>  
wrote:

>
> Yep - I had to buy two of those drums - nearly \ufffd270 including the
> VAT ! But at least the workshop doesn't stink of paraffin and so far
> hasn't burnt down <G>
> AWEM


Would not water be sufficient for PCBs?

A ion exchanger would not be expensive. Rainwater would be even cheaper.

How do you maintain the expensive EDM fluid in working order?

ST