Homebrew PCBs

It's basically the same stuff as far as performance.
Rick

mdgolfbum wrote:

>  M&G lists sodium persulfate as an alternative to FeCl. Anyone tried
> it? I've already read the archives and haven't seen any actual use.
> Most alternative etchant use seems to have been ammonium persulfate
> which although clear and allows viewing the etch progress apparently
> is difficult to store over time...especially in plastic.
>
> How difficult is sodium persulfate?
>
> tnx
> jtm
>