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 ...

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 ...