Cirkul is a flavored water system that uses "sips" to enhance flavor with no sugar or calories. Today I offer my unbiased review of the bottle, lid, and 6 "sips," one from each category. I also rank ...
In 2016, Garrett Waggoner and Andy Gay co-founded Cirkul to turn a product idea they dreamed up in college—disposable plastic cartridges that flavor water as you drink from a water bottle—into a ...
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