[ELI5] Why is CO2, as opposed to other inert gases, the primary and seemingly only gas used to make soda?

Question

[ELI5] Why is CO2, as opposed to other inert gases, the primary and seemingly only gas used to make soda?

In: 3

Answer 1

Besides other people’s correct answers, it’s also really cheap because it’s a byproduct of a lot of industries. So even if there were other things that worked just as well, we’d use CO2 anyways.

Same reason CO2 gets used for paintball guns and other things. Super cheap.