Homebrew PCBs

Mark,
I checked at my local HomeDepot and, although they had muriatic acid for swimming pools, it came in a large, two-pack container. Have you found it in smaller quantities at other hardware store? If so, where and how small? 

Also, where do you get your NaOH?

I have been vacillating between using FeCl and CuCl but I have concerned about storage and disposal for both. I am also trying to keep my quantities on hand small, so I am not storing a lot of potentially harmful liquids around my home.

Thanks. 



--- In Homebrew_PCBs@yahoogroups.com, Mark Lerman <mlerman@...> wrote:
>
> 
> Whoops - I mean no bubbler or heater used - there is heat and 
> bubbling produced by the etching process.
> 
> 
> At 10:06 AM 6/10/2010, you wrote:
> >I don't make a lot of boards, and most of them are quite small, so
> >I've been looking for a simple, fast way to etch. After experimenting
> >with a few suggested recipes, I use a 1:1 ratio of  muriatic acid
> >(31.45%) to 12% hydrogen peroxide. The muriatic acid is available in
> >any hardware store, the peroxide is easily obtained from a beauty
> >supply store as "40 volume developer" - get the clear, not the creme.
> >They are both very inexpensive, and the etching takes 1-2 minutes
> >with a little hand agitation, no bubbling, no heat. DO THIS OUTDOORS
> >or with a chemical hood. Then use NaOH to neutralize.
> >
> >For an etching container I use a polypropylene storage bin - they
> >sell them is many sizes and they are very inexpensive.
> >
> >Mark
> >
> >
> >
> >------------------------------------
> >
> >Be sure to visit the group home and check for new Links, Files, and Photos:
> >http://groups.yahoo.com/group/Homebrew_PCBsYahoo! Groups Links
> >
> >
> >
>