If you want a 100% Guaranteed way to pass a urine drug test then you have to use 100% percent human urine. Fake pee works sometimes but real human urine works all the time. I and my sister use Everythingurine.com and have passed with their real human piss. If you go on google you"ll see alot of...
Be careful using synthetic urine!!! Alot of people have failed using fake piss! I did and will never trust it again. I only use real laboratory pee from Everythingurine.com for now on. My sister turned me on to Everythingurine.com and it has never failed her or her friends. Just do a google...