Quote Originally Posted by SyncMaster915N
Since THC metabolite concentration can vary from piss to piss during the day and across days, the best way to be sure you will pass with your own pee is to test your self multiple times until you obtain consistent negative results (e.g. test line appears on several repeated samples). I was in your same boat earlier this week and concluded it was too risky to use my own pee, so I subbed. :rasta: GOOD LUCK

did u use synthetic urine or a friends?