5 Best Soda Makers - July 2022 - BestReviews Carbonator II Sparkling Water Maker Check Price Sleek Design The sleek look of this splurge-worthy soda making machine is reminiscent of ones used in old soda shops. Version II has improved internal features. Non-toxic PET bottle included. Compatible with SodaStream CO2 cartridge. Compatible with threaded SodaStream bottles.