Mark Blackwelder
the sodaclub people say that you can't refill them at
fire-extinguisher/paintball/etc places because it's not 'food grade' CO2 fit
for consumption. I guess it's a different carbon isotope? If you're corpse
is someday carbon dated, soda club would hate for the acheologists to have
skewed numbers because of misuse of their then-ancient product. Very
responsible.