a lot of water it is then.....i have no choice but to take the word of a lab tech lol......i have been drinkin water but ill make sure to drink atleast a gallon b4 the test.......also, i have good metabolism and im not sure if im correct but doesnt that mean my body will flush out faster than others?? i dont have much body fat lol........i'll keep you all posted.....wish me luck!