Homebrew PCBs

Leon wrote:
> 
> I bought a bubble etch tank, tried it once, then went back to manual 
> agitation with a plastic container holding the etchant inside a larger 
> container with some hot water in it.
> 
> Leon
> 
> 
For small volumes ( < 1L ), you can use microwave oven to directly heat 
ferric chloride or persulfate etchants. Just limit it to 20 seconds 
between stirring. No need to waste your time with hot water baths.
I have to agree that manual agitation has its benefits.