Best Selling SodaStreams February 19, 2019February 16, 2019 by admin #1 The SodaStream Fizzi Mega Kit The easiest and best priced way to start making soda at home. View on Amazon #2 The SodaStream Source Bundle An upgraded kit with extra accessories. It is worth the extra cost in my opinion. View on Amazon #3 The SodaStream Jet Bundle The Jet uses a 130L (double size) Co2 Bottle. Saving you refill trips. View on Amazon