Can I cool down a cooler of water with dry ice?

You have to come to terms with, do you want the water the beer is in to be cold or do you want the cold in the beer itself? Warning, this can be a asphyxiation/CO2 poisoning issue in a small air volume like a car. read more

People do use dry ice instead of ice in a cooler to keep things cold for a longer time, but they do not let the dry ice actually touch the water. 198 Views Quora User, Worked on water treatment plant design and operation. read more

The dry ice also took up half the space and required no cleanup since, unlike water-based ice, dry ice (made by cooling and compressing carbon dioxide) changes from a solid to a gas as the temperature rises and simply dissipates into the air. read more