OK, you are talking about chunking dry ice directly into wort or beer...not a good idea. Sorry, I missed that little bit of info. I quess I just got caught up on the memories of that 1979 kegger....
Those who would give up essential liberty to purchase a little temporary safety deserve
neither liberty nor safety.
Benjamin Franklin, 1759
'Government's view of the economy could be summed up in a few short phrases: If it moves, tax it. If it keeps moving, regulate it. And if it stops moving, subsidize it'--Ronald Reagan
'Government is like a baby: An alimentary canal with a big appetite at one end and no sense of responsibility at the other.'--Ronald Reagan