Drink water, it is good for you
Sometimes you wonder why your dive guide keep on insisting that you drink a lot of water…Well, here is the reason:
Dehydration is thought to contribute to Decompression Sickness risk, so it’s very important to hydrate yourself. The loss of fluid happens not only before diving but also during the immersion. Breathing dry air from your scuba tank will cause your lungs to moist the air by using fluids from your body and the urge to pee while diving (so-called immersion diuresis) will also lead your body to dehydration.
So drink a lot of water and enjoy your dive safely.