Homebrew PCBs

Yes i have been using 100% o2, only because its what i have around as my
bubler. I have yet to exgaust my ferric and have used it quite extensivley.
On Mar 10, 2013 8:56 PM, "Rick Sparber" <rgsparber@...> wrote:

> **
>
>
> Russell,
>
> Thanks for the help.
>
> Rick
>
> ___________________________________________
> By aerating the ferric chloride (possibly just with bubble etching like i
> do), it becomes copper chloride etchant and lasts years. Start off with 1:1
> dilution with water. Add a bit (like 5%) HCl acid every few months. Keep
> covered when not in use. Disposal is nothing more than flushing money away.
>
>  
>


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