Pop quiz: You’re kitting up and getting ready to hit the road with your crew for a Saturday morning ride. You open the pantry and crack open the tub of sports drink mix to discover—d’oh!—a mere dusting of mix remains. Do you: A) Get to the shop in time to buy a few portable drink mix sleeves or tabs? B) Ask the bunch to swing by 7-11 on the way out of town so you can grab a bottle of something blue and sugary for the ride? C) Say screw it, and hit the road on water alone?