Golden Seal Root has always worked for me. Every time, never failed. I've passed five tests over the last 3 years with it. Seven days is best, but I've done it in four. Three days poppin' the golden seal with lots of water and the last day just water only to flush out the golden seal.
The time I did it in 4 days I got called in for a second interview, got an immeadiate offer. I said yes, boom they want to send me out for a piss test right then. This was on a Friday. I took the paperwork home with me, called them a few hours later and used the "car broke down" lie to buy some time to clean out over the weekend. I didn't even call them on Monday and just took the test on Tuesday. They called me three days later saying they got the results and could I start on Monday.
I had a gram a day habit at the time. How much do you smoke on average??
Two of my friends tried to use masking drinks and failed. The safest way is to totally clean out.
You need to think of a really good lie and push back this test. Go to a GNC Nutrition store and buy a big bottle of the Golden Seal Root.
Good luck with whatever you try.