I've been using some washable lead-free solder from eBay (expired, so it's affordable) in my reflow oven. I'm not so happy with the lead-free though, at least not on home-made boards - I don't really like the joints made by lead-free, and the temperature has to be high enough that the boards get a little discolored. It comes out beautifully on real boards, though. On my next reflow run I'm going to try some leaded solder paste from china (via eBay), and see how that works out.
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I've been using some washable lead-free solder from eBay (expired, so it's affordable) in my reflow oven. I'm not so happy with the lead-free though, at least not on home-made boards - I don't really like the joints made by lead-free, and the temperature has to be high enough that the boards get a little discolored. It comes out beautifully on real boards, though. On my next reflow run I'm going to try some leaded solder paste from china (via eBay), and see how that works out.