In the UK it is commonly called any of: brick acid, hydrochloric acid, or surprisingly muriatic acid (I had thought that terminology was long dead).
Easy to get - I bought 20Ltrs not long ago.
Dave
-----Original Message-----
From:
Homebrew_PCBs@yahoogroups.com [mailto:
Homebrew_PCBs@yahoogroups.com] On Behalf Of Piers Goodhew
Sent: 29 November 2011 10:48
To:
Homebrew_PCBs@yahoogroups.comSubject: Re: [Homebrew_PCBs] Re: Sponge etching with HCl and H2O2?
>is it just called "muriatic acid"?
PG