Ken Weaver

While MIO is cheaper overall, and easier to buy because you can find it in a lot of stores. I still like the Cirkul system. Prefer it, actually. You can change the intensity of the flavor. If you have the flavor intensity control set on “10/10” it should last three bottles of water. That is the average for me, at least. The fact you can dial it back if you’re using, say, an Airborne™︎...