[Elecraft] Safe way to remove excess flux?

[Paul Saville]

Use 100% Isopropanol (Isopropyl Alcohol). Get a 1/2 inch
paint brush, the sort you would use for trimming around
window frames etc, and cut the bristles back to about half
length to stiffen it up a bit. Dip the brush in the alcohol
then scrub a small area of the circuit board for about 20
seconds, then dab dry with an absorbent cloth. I have never
damaged any boards this way, but it's not particularly
"safe" because Isopropanol is highly flammable, so do it
outside and away from sources of ignition. Also the chaps at
Elecraft don't approve of cleaning boards at all, but I
won't tell if you don't.

73 Paul ZL3IN


> Can any of you folks recommend a safe way to remove
> excess flux from a PCB?