Yahoo Groups archive

Homebrew PCBs

Index last updated: 2026-04-28 23:05 UTC

Message

Re: [Homebrew_PCBs] Re: Sponge etching with HCl and H2O2?

2011-11-29 by Piers Goodhew

As in Bunnings? I'm in aus but I've never looked.. 

PG

Sent from my phone, anything lewd or incomprehensible is probably autocorrect and not my fault.

----- Reply message -----
From: "Tony Smith" <ajsmith1968@...>
To: <Homebrew_PCBs@yahoogroups.com>
Subject: [Homebrew_PCBs] Re: Sponge etching with HCl and H2O2?
Date: Tue, Nov 29, 2011 3:46 pm


> > Available at Hardware, Building Supply, and Pool Supply stores
> > Hydrochloric Acid / Muriatic Acid 31%
> 
> In our local hardware store, it's in the paint aisle, as it's used to
clean concrete
> before painting.


Same in Australia.

Tony



[Non-text portions of this message have been removed]

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.