We at G@H sometimes drink our calories. When we do, we opt for craft beer, not sugary drinks. Oh, we most definitely like soda pop. We just prefer ours calorie-free. Because, you know, it’s healthier, maybe. Every afternoon, the craving hits: we need our fizzy drink fix. We’ve experimented with alternatives. We’ve tried flavored drink powder. Without bubbles, though, it’s just boring. Deconstructing our drink, a simple truth struck us. Carbonation is all we need. And, water plus only carbonation makes for a healthy habit. Europeans adore sparking water. Trust us. We’re learned and well traveled. Americans, though, prefer their water unadulterated. In fact, finding sparkling water in the United States can prove difficult—and expensive. Meet the SodaStream Jet. It’s a bona fide solution for enjoying sparkling water unpretentiously. The machine couldn’t be simpler. It connects a large CO2 cartridge...