Performance-wise, it doesn’t ice up when operating its cap stays on under pressure and because it has no preset carbonation levels, you can vary the amount of fizz by the number of times you press the button. The Terra offers other bubbly benefits for one, it needs no electricity to work. So how did the soda makers in our tests do? Read on for ratings and reviews of each one.ĬR’s take: The highly-rated SodaStream Terra is among the easiest soda makers to use: Insert your bottle top in a clamp, push the clamp into place, and press the button on top. When the injector is blocked, gas can be diverted to the bottle’s side-instead of directly down into the water-so it doesn’t carbonate as well. When high-pressure CO₂ exits the injector, it drops in temperature and can freeze some water on the nozzle. “If the pressure isn’t released smoothly, the soda can come out fast, and you get a fizzy mess.”įor the icing test, we examine whether the CO₂ nozzle ices up-a problem with some designs that can affect the fizz level. “When a bottle that’s been highly carbonated sits for a while-or has warmed up or been shaken-some of the gas that’s been pumped into the water enters the space at top of the bottle, so the gas pressure inside rises,” Deitrick says. In the bottle-cap test, we see how easy it is to release pressure from each brand’s gassed-up bottle without spilling soda everywhere. We also check the maximum gas pressure that each machine can add to water, for people who want a real snootful of scintillation. “You can expect that bottles with the same internal gas pressure will produce about the same amount of fizz,” says Bernie Deitrick, the engineer who leads soda-maker testing at CR.
#Soda player review install
To judge whether a soda maker produces equally fizzy bottles of seltzer, we start by using ice-cold water, which carbonates better, and we install a gauge on the cap to measure the gas pressure inside each bottle. We use standard 14-ounce CO₂ cylinders, which work in any soda maker. We rate each model on how easy it is to use, including when attaching and detaching bottles and using the controls. We made dozens of bottles of seltzer to evaluate the six soda makers in our tests.
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