I don't know if you want this around if you have kids, but MG
Chemicals makes "Liquid Tin" -- which plates in 5 minutes. The
contents are nasty -- fluoroboric acid and stannous fluoroborate.
Allied Electronics sells it, but not that they will ship all
chemicals separately and you pay a UPS surcharge for Hazmat. It's
expensive at $27 for 17 ounces.
Chemicals makes "Liquid Tin" -- which plates in 5 minutes. The
contents are nasty -- fluoroboric acid and stannous fluoroborate.
Allied Electronics sells it, but not that they will ship all
chemicals separately and you pay a UPS surcharge for Hazmat. It's
expensive at $27 for 17 ounces.