30 days+ for detox. There is really no "sure" way to fake the pass if that is what you are talking about. It depends on what kind of drug screen is being used (saliva, urine, blood, etc.) but they sell products for that ex: sure-gel, ready clean, etc.
No.
There's no way to pass a drug test if you're doing drugs. That's what drug tests show.
Don't use marijuana.
If you have taken marijuana then you will fail a test for maijuana.
Fail
You don't
Rectal seepage
No, sorry
There are no magic potions or rituals that will allow you to use drugs and still pass a drug test. The only way to pass a test is to not use marijuana.
Tetrahydrocannabinol aka THC.
can i pass drug test with complete body cleaning for 2days i took a drug test today will i pass
Easy, they don't generally care about marijuana at methadone maintenance clinics.