Lead free solder in the long run damages solder tips and also is a lot more pron...

Lead free solder in the long run damages solder tips and also is a lot more prone to the tin whiskers plague. Luckily I have a life time supply of leaded solder and hopefully will never have to touch the lead free junk.

http://www.militaryaerospace.com/articles/print/volume-16/is...

https://nepp.nasa.gov/whisker/background/