This Water Bottle Cap Is Like a Personal SodaStream You Can Take on the Go. It Sparkles

When the water went into the bottle, it was flat, tasting like boring old tap water. When it came out of the water bottle, it sparkled. Not in that highly-carbonated, almost spicy way a fresh can of seltzer tastes, but a milder sizzle, like that same can after you’ve been sipping from it for 10 minutes. And here’s the most interesting part: The transformation happened in the bottle, not in a big countertop soda machine

The Roam SodaTop is like a handheld SodaStream. The cap is where the magic happens. A tight seal and a small CO2 cartridge are the key elements in turning boring still water into something a little more exciting. You can screw the top on a water bottle Roam sells itself, or on a compatible bottle (say, a HydroFlask).

Roam expects to start selling the SodaTop directly from its website in the first quarter of 2025, for $50.

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