Here's the deal with bottles:
Glass bottles are ONLY compatible with the Crystal Sparkling Water Maker.
Slim 1L bottles are ONLY compatible with Spirit, Spirit One Touch™, Splash Play™, Source™ and Power™ Sparkling Water Makers.
.5 liter bottles are compatible with ALL Sparkling Water Makers other than Jet, Cool and Crystal.
Classic 1L bottles are compatible with all Sparkling Water Makers other than Crystal™.
To learn more, check out our Sparkling Water Maker Comparison Guide.