In general, you cannot drink a fire extinguisher. Chemicals and pressure would make this a very bad idea. The other answers go in depth about this. No need for me to duplicate info.
3 methods for disposing of your fire extinguisher. The three safest methods for fire extinguisher disposal are recycling it when empty, dropping it off at a fire department, or taking it to a specialty disposal facility. Recycle the extinguisher if canister is empty. If an extinguisher is empty, you can simply throw them out with your recycling …
Can I drink from a fire extinguisher? : questions
If I remove the foam stuff would I be able to wash out the fire extinguisher and then drink from it without getting sick? Press J to jump to the feed. Press question mark to learn the rest of the keyboard shortcuts
Me neither, but now you can if you want to. This fire extinguisher acts as a cocktail shaker and drink dispenser, so that if you wanted to make up a round of shots you could do so within the fire extinguisher, mix it up, and dispense the shots into the shot glasses using the hose. Or if you’re just looking for an easy way to dispense some water or soda at a party, it could easily be used …
People Also Searches can you drink out of a fire extinguisher
How to Clean Fire Extinguisher Chemicals After Usage : Fire Prevention Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher