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lead

Lead-free solder?

Is it worth to buy lead-free solder? It looks like a good idea at first, but then you realise that lead never reaches its evaporating temperature while soldering... Is that actually true? Some people say that the toxic fumes come from the flux and rosin and other stuff, but not from lead. Other sources complain about lead-free solder being more difficult to work with than normal solder. Any recommandations/personal experience with lead-free solder? I also want to ask if I really need to open a window while soldering (I don't have vents in the room I will be soldering).