Originally Posted by
solveg
I like the idea* of hydro packs, but the actuality of it grosses me out.
Gatorade and other sports drinks are* electrolyte drinks, aren't they? Why do people use other things? Or should I not be relying on it? I've been using those propel powders mixed into my water. Does that count?
They're not all nutritionally equivalent. Furthermore, some (many) that are sold in liquid form are too concentrated to be a good rehydration drink at full strength -- they will slow down your small intestine's ability to absorb water, and thus will slow down your rehydration.