Homebrew PCBs

--- In Homebrew_PCBs@yahoogroups.com, "Joaquim Boavida" 
<jboavida@m...> wrote:
>  
> Hi, all
>  
> What is the best way to clean a PCB (remove solder flux) ?
>  
> I heard of 2 methods:
>  
> 1-isopropyl alcohol bath with a temp. of 40 degrees Celsius.



I use 90%, not the 70% stuff.

old toothbrush

room temperature.

do it soon after soldering, not the next day.  it removes easier when 
fresh.

Also, if you feel like, you can clean while you are in the middle of 
a board to inspect it.


Dave















>  
> 2-Ultrasonic tank with appropriate cleaning product.
>  
> I had found some cheap ultrasonic tanks on ebay. Do I need to buy 
one or is
> the first method good enough?
>  
> Thanks in advance
>  
> Joaquim
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> [Non-text portions of this message have been removed]