Just be careful when pouring liquid nitrogen in a pool. The gasses it gives out can knock you out. See what happened when people tried that at a pool party a few years ago.
http://www.businessinsider.com/jgermeister-pool-party-in-mexico-turns-poisonous-2013-6
[–] BlowJobs69 ago
Nothing better to do?
[–] PraiseIPU ago
thebackyardscientist
they do this for a living
[–] Chipchanexreddit ago
'science' where adults are paid to mess around like kids