it in your system for 3-4 weeks if you do nothing about it. My mom put my in a support program so i get tested. It sucks, but it will help me in the long run. I got tested last week and had not smoked for a week before that, and have another test coming on Thursday i belive. I've been drinking a lot of water so i'll let you know how i goes, then we will have an idea if it works. I've 2 weeks with water will clear your system, so i could end up being clean.

Like they said excersie and drink water. In my health class it says water rids your body of toxins so THC might get pissed out, but im not possitive