Homebrew PCBs

Stefan Trethan wrote:
> The alcohol won't do anything to the toner transfer component legend either.
> 
> Most of the time i don't bother with removing the flux. If it isn't
> too messy i don't mind.
> 
> I tried one of those water based flux removers that come in a spray
> can (kinda like shaving foam). Even with _heavy_ scrubbing with the
> brush it did not remove rosin flux.

I have water-based stuff called "safewash 2000" that works really well
in concentrated form from a bottle. The spray-can foamy version of it
is much weaker.

 > Maybe they are OK for water
> soluble fluxes. Made it worse really since the surface of the rosin
> became dull and white instead of clear.
> 
> Acetone is the same, it does not solve rosin the same way alcohol
> does, so the surface will dry gritty. If you use acetone, you need to
> get positively all rosin off without a trace left, with alcohol that's
> not the case.