I've read so much stuff here about being able to get clean in a week or so. To my shock when I was trying to get clean while job hunting I was still testing positive after SIX WEEKS!! At that point I got a job that didn't test so I started toking again. Now I've suddenly gotten a great new job offer but it requires testing so I'm planning to substitute with QF. I stopped smoking as soon as I found out (10 days ago) and have been drinking water and cranberry juice like a fiend but of course I tested myself last night and am still testing positive. So the message for everybody is expect it to take longer than you think to be truly clean. Especially if you go at it everyday.