(TrendHunter.com) Bottle+ is a simple carbonated water maker that can be taken on the go, just like the average water bottle. The portable soda maker includes its own integrated and refillable CO2 tank so that fizzy... (TrendHunter.com) Bottle+ is a simple carbonated water maker that can be taken on the go, just like the average water bottle. The portable soda maker includes its own integrated and refillable CO2 tank so that fizzy...