Trust me, I know a recipie that lasts for five hours which will make you test negative. Let me know if you want the recipie, it's healthy and really works (try it before your official drug test if you don't believe me). You essentially need certain vitamins that you get from walmart.

But the fact that you have been smoking high grade bud indicates to me that it has a long half-life. This means that it may take a long time for you to get it out of your system.

However, drinking a lot of water and working out are things that can help speed up your metabolism and thus get clean quicker. You need to do it.