Yahoo Groups archive

Homebrew PCBs

Index last updated: 2026-04-05 19:38 UTC

Message

Re: advice on CuCl etchant?

2004-09-28 by Phil

--- In Homebrew_PCBs@yahoogroups.com, Les Newell <lesnewell@f...> wrote:
> Hi Phil,
...
>                                                          A teaspoon of 
> 100volume H2O2 is enough to get it etching well again. If the solution 
> starts fizzing when you add the H2O2 and has a chlorine smell you have 
> added too much.
> 
> Les

Thanks, Les.  Where did you get your H2O2?  

Phil

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.