Cydrome Leader wrote:
What's a good way to keep solder from flowing or wetting copper or brass
parts being soldered- sort of like an anti-flux. I recall seeing something
posted here about it, but can't locate it.

I heard that scribbling a lot of soft graphite pencil on the surface
works. I tried it once, and it did appear to have that effect, but I
haven't tried it extensively.

Chris