I did it this way: I used a frying pan, peanut oil and something to keep the board off the bottom of the pan.
Solder dip and wet rag.
The oil residue was tough to remove. I would not use this method on critical circuits though.
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On Fri, Jan 11, 2013 1:34 PM EST Rick Sparber wrote:
>I was playing around with some scrap pieces of circuit board I etched and
>drilled in order to find a way to simulate the HASL (Hot Air Solder
>Leveling) process. This process puts down a very thin coat of solder over
>the copper. The solder protects the copper plus makes soldering in
>components easier.
>
>
>
>I found that I could brush the board with flux. Then I built up a small bump
>of solder on the ground plane. Using my soldering iron as a paint brush, I
>dipped into the bump and then painted the copper. When done, I scrubbed the
>board with alcohol. Worked great. I had no shorted paths.
>