Yahoo Groups archive

Homebrew PCBs

Index last updated: 2026-04-28 23:05 UTC

Message

Re: relatively good prices

2013-02-15 by tda7000

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!


--- 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.
>

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.