I can’t say the Club Soda version is the hottest design, and maybe even it’s bubbles aren’t as “delicate” as others (could that even be true?), but it worked well enough for our kids and made a pretty good Pelligrino/Perrier stand-in. It’s only $79.99 at SodaStream.com , which should pay for itself in a fairly short amount of time, and also cut down massively on throw-away bottles since it comes with two reusable bottles.