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.
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 ...