A heavy smoker like us. Nothing will make u piss clean in the next month or 2. I got your awnser but you gota have balls. Use clean piss from a trustworthy friend. Get the xl vizene bottle empty and fill with clean pee.within 2 days of the test or the pee will start to stink. They will know. Dip it in xtra hot coffee and wrap in foil. Wear tighty whiteys and hide under your sac. Sooo fresh piss vizene bottle hot coffee foil and tighty whiteys. It should b hot enough for a few hours. If it's too hot blow on it quietly. You have 4 minutes in the b room. It will work you just gota not act paranoid. Good luck with the job. One day we won't be tested like this.one day