I use the Na2CO3 Sodium carbonate (washing soda) for both developer and stripper.
For developing, I use a weak solution with warm water. For stripping, a stronger solution with hot water. Just don't mix them up!
For developing, I use a weak solution with warm water. For stripping, a stronger solution with hot water. Just don't mix them up!
--- In Homebrew_PCBs@yahoogroups.com, Mitch Davis wrote:
>
> On Fri, Feb 15, 2013 at 11:00 AM, Russell Shaw wrote:
> > On 15/02/13 02:22, Leon Heller wrote:
> >> The NaOH developer I use (2 tsps per litre) lasts indefinitely.
> >
> > I use 10g/Lt NaOH as *stripper*. What do you strip with?
> >
> > I use Na2CO3 sodium carbonate as developer.
>
> Curious. This seems to suggest that the developer is Na2CO3:
>
> http://www.ebay.com.au/itm/130690362878
>
> Mitch.
>