For athletes & healthy individuals, individualised hydration. Taking the guess work out of the replenishment of electrolytes.
PH 1500 is a very strong electrolyte drink designed to help you start hydrated (and stay that way once you're sweating, if you're a heavy/salty sweater).
PH 1000 is a strong electrolyte drink typically used by athletes with moderate to high sweat/sodium losses and those exercising in hotter/humid conditions.
PH 500 is a moderate strength electrolyte drink typically used by athletes with low to moderate sweat/sodium losses.