You should know about hydration. But here is the punch line if you don't want to nerd out on the video or journal article... Drink when you are thirsty!
Read the CF journal article here: Confronting the Drinking Problem
Power clean 3-3-3-3-3 reps
Front squat 2-2-2-2-2 reps
Squat clean 1-1-1-1-1 reps