Homebrew PCBs

Petsmart typically has them.

If you can't find them there, try:


http://www.drsfostersmith.com 
<http://www.drsfostersmith.com/?ref=4397&subref=AA&mkwid=SGISyNsuF%7Cpcrid%7C4214695761&cmpid=PPC-_-G-_-4397>

Specifically:

http://www.fosterandsmithaquatics.com/fish-supplies/aquarium-pumps/ps/c/3578/4587

And, as a suggestion:

http://www.fosterandsmithaquatics.com/product/prod_display.cfm?c=3578+4587+4671&pcatid=4671 
<http://www.fosterandsmithaquatics.com/product/prod_display.cfm?c=3578+4587+4671&pcatid=4671>

Note, the above is after a pretty quick search, but you want something 
on the low end of gallons / hour.

On 06/12/2010 12:46 AM, Norm wrote:
> Mark Lerman 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.
>>      
> It's been 60 years since Chem 101, and I don't recall  - do I add the
> acid to the H2O2 (water), or the other way around?
> Also - someone mentioned a magnetically coupled aquarium pump for liquid
> agitation.  Is this an easily found item?  All I've seen in pet stores
> are the air bubbler pumps.
>
> Norm
> W6NIM
>
>
> ------------------------------------
>
> Be sure to visit the group home and check for new Links, Files, and Photos:
> http://groups.yahoo.com/group/Homebrew_PCBsYahoo! Groups Links
>
>
>
>    


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