How does that work anyway? Isn't that like holding your breath? You know you're not getting air and something is wrong. It's not instantaneous so you have time to react and get out of the area.Ventilation is extremely important when using this process. Dry ice evaporates into carbon dioxide and will displace the oxygen. It's heavier than air so it's use near a pit in a shop or in an enclosed space can be fatal.
Slowly breathing CO2 essentially gets you high, and you don’t know that you’re being asphyxiated.How does that work anyway? Isn't that like holding your breath? You know you're not getting air and something is wrong. It's not instantaneous so you have time to react and get out of the area.