i drink alot of green tea any ways, and sorry, not 2 gallons, its 2 liters, sorry, but this did work for all my friends, its lipton green ice tea, it comes in a 1.5lt. bottle, and you have to drink 1, and like 1/4 to 1/2 of a second one, sorry i said gallon, 2 gallons is definately bigger then 2lt. i wouldn't drink 2 gallons of green tea either, *yuck*