One of the main reasons people love the SodaStream is that you save money by making your own sparkling water. Supposedly. Unfortunately, replacing those CO2 canisters is expensive. This clever hack ...

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 ...