You guys are really, really stupid. Good thing you didn't hurt anybody else.
tannerite is just as stupid, especially the homemade stuff, in large quanities...
I'm sorry, but I think we should not encourage this sort of thing.
Man, I love my 5 gallon propane tanks. I'd never shoot one. They're always there when I need a hot dog, a burger or a kabob. They never complain, rain or shine, cold or hot.