[chbot] Ferric Chloride

[Robin Gilks]

> Is this Ferric Chloride still available in NZ ?
>
> I have some ammonium persulfate but FC works at room temperature which
> makes
> it easier.
>
> Cheers Wallace

I had reasonable luck with hydrochloric acid (from pool shop - Ph
adjuster) and copper sulphate (PGG Wrightson - fungicide).

Careful how you store the mix though as the fumes (open top etch tank)
made all the steel in my garage go rusty.

-- 
Robin Gilks