1/2 tsp of Lite Salt (~ 580 gm of Na and 700 of K) in 32 oz seems a lot to me. Commercial sports drinks are around 375 gm Na and 100 gm K in 32 oz. I add a level 1/8 tsp of Lite Salt to a 24 oz bottles and can distinctly taste it.

My recipe is 100 cal of fruit juice diluted to 24 oz with water and 1/8 tsp salt which is 295 gm Na in addition to ~65gm that's in the juice. Electrolytes lost in sweat are almost entirely Na so little additional K is needed.