[header] How to carbonate a beverage [title] Place the entire amount of beverage in a large container that has a tight lid or cover. [title] Get dressed in a long-sleeved shirt, pants, gloves, shoes, etc. [step] The goal is get covered up since dry ice can burn your skin [title] Punch several small holes in the lid of the container so that the extra carbon dioxide can escape the container. 
[step] Make sure there is enough room in your container to accommodate the appropriate amount of ice. [title] Take the container outside, since the process could get messy.