Reminds me of days of cycling across North Vietnam during the summer : 40c, tropical levels of humidity, very steep hills. I was young, stupid and stubborn.

One stop every 2 hours to chuck 500ml of beer (Bia Hanoi, pretty nice light blond), so about 4 stops a day. It worked fine ! Pee was ok color, enough tipsy to keep my sense but numb the pain of cycling. My clothes had aureola of salt and urea.