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Message from discussion {LVL1} Make your own copper etching acid
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Christopher Cprek  
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 More options Nov 15 2012, 10:50 am
From: Christopher Cprek <paxtita...@gmail.com>
Date: Thu, 15 Nov 2012 10:50:25 -0500
Local: Thurs, Nov 15 2012 10:50 am
Subject: Re: {LVL1} Make your own copper etching acid
We already make etching solution from HCl and H2O2. You've got to be
careful of the vapors and only etch in ventilated areas, but the
solution will reactivate when more oxygen is pumped through it. I like
using it more than ferric chloride.

Speaking of which, I made a new etchant tank for the space. But the
aquarium pumps I left at the space are no longer functional.

Anyone have an aquarium pump they could donate?

Chris

On Thu, Nov 15, 2012 at 10:39 AM, Ben Hibben <the.blens...@gmail.com> wrote:
> Just in case Brad feels like taking his workshop up a notch he can make his
> own etching solution:

> https://www.youtube.com/watch?v=43Xsh9J7S-g

> Blenster


 
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