Gotta go clean NO DETOX WORKS FOR ME Help

Whats good peeps, Im new here and looking to convo wit my fellow potheads.
Im currently on a job hunt, and i have failed three test in the past month. Ive used numerous 100% gaurateend detox's and none of them have worked. So how long is weed gonna stay in my sytem? And also im getting my wisdom teeth taken out in Nov and my cuz said i need to stay clean till then. So how long before its completely undetectable. please help
peace

y would u have to stay clean until u get ur wisdom teeth out?

Thats what my cousin whos a dental assistant said. But how long does weed stay in the system. Im 6 foot 225 and smoke alot

Urine test, 30 days But you have to stay clean.. if smoke just one hit with in the 30 days add 7 to 9 days. If you want your new job, take more days..