um i smoke about 3 1/2 gs a day of good smoke on average. im around 220 and the day b4 i drank a little more than normal with some cran juice. day of i woke up at 7:30 pissed once, drank the bottle, refilled it twice, pissed twice, once 15 mins l8er n once again b4 i left for the test about n hour l8er. pissed roughly 2 1/2 to 3 hours after i drank it. ill post my results.