I’ve been using water-based flux cored solder (and same in a flux pen) for many years now. ?After assembly, I wash my boards with water, a bit of dishwashing detergent and an old toothbrush. ?Shake off vigorously and follow that up with drying using an old hair dryer. ?My boards look as good or better than machine built boards (if I do say so myself). ?I still have rosin-cored solder but doubt I’ll ever use it again.
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73,
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Robert, WA2T
