Sodastream machines are popular amongst people who like to make their own seltzer water at home. However, replenishing the tiny gas canisters is expensive and wasteful. [Becky] decided to upgrade her ...

Owning a SodaStream is awesome, especially if you’re a seltzer lover (and I am.) Shelling out for those proprietary tanks and refiles though, knowing that cheaper CO2 is widely available, isn’t.

We drink a lot of carbonated water in my household. Enough, in fact, that we've owned a trusty SodaStream Fountain Jet (the company's entry-level carbonator) for years. Even with the sunk costs of the ...