Hydration Dehydration Cycles Hydration Dehydration Cycles Day 1 - Drink 150 ml water (2/3 glass of water) every hour from 7 am to 6 pm. Avoid all other liquids/ fluids like tea, juice, milk, soda etc. Moderate (reduce) your meals size by 30% of your average meal. Day 2,3,4 - Drink 150 ml water (2/3 glass) 1 hour before each meal. So total fluid intake on these days will be 450 ml. Eat 1/2 small...