Not a hell of a lot. You can start by eating a high fiber diet with metamucil and exercising to try and lower the thc levels. Have you ever had any kidney or liver problems? That could be why its taking a while. A lot of the probation officers still don't understand that it can take a couple months to get clean, they think it takes a couple days and it doesn't. Read up on the dillution sticky and follow that the morning of your next UA.