Homebrew PCBs

If I were you I would not use ammonia. Mike

--- In Homebrew_PCBs@yahoogroups.com, "Mike Young" <mikewhy@s...> wrote:
>
> Datak says about Tinnit:
> 
> "4. After plating, the cirucit board will have chemical residues
that will 
> in time dull or corrode the plating. To neutralize and remove these 
> residues, immerse and scrub the object in a mild solution of household 
> ammonia, followed by running water rinse. Dry and polish with a paper 
> towel."
> 
> FWIW.
> 
> 
> ----- Original Message ----- 
> From: "derekhawkins" <derekhawkins@y...>
> >
> > For what it's worth....I have a half bottle of Coolamp here, it was
> > my "tinning" method of choice for a while. 4 to 5 year old tracks
> > tinned with it now have a yellowish tint....Wouldn't waste my time on
> > that again.
>