Homebrew PCBs

Any aquarium pump intended for salt water should work.

garydeal wrote:
> Hey, has anyone tried using automotive windshield-wiper fluid pumps to 
> spray etchant? In particular, HCl/H2O2 etchant?
>
> Or maybe taken any apart to see if the fluid path is all-plastic? (no 
> pesky metal to dissolve?)
>
> Alternatively, is there a suitable small pump available for under say, 
> $40? I wouldn't need all that much volume/minute, and just enough 
> pressure to get a nozzle to spray reasonably well.
>
> -Gary
>
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