What Drinking 1.5 GALLONS OF WATER A DAY FOR TWO WEEKS did to me Vegan Recipes - December 21, 2017 1213815 Start your FREE trial & get 10% off your first purchase - DOWNLOAD MY EASY 60 VEGAN RECIPES EBOOK ►► SOOO I started the challenge saying I would drink 1 gallon of water a day for a week.. I ended up doing 1.5 gallons of water a day for TWO