how to pass a mouth swab fast
Home remedies to pass a saliva drug test. If you know ahead of time the best way to pass a mouth swab drug test is to stop smoking weed for a day or two prior to taking the test. Be sure to brush your teeth thoroughly and use mouthwash daily too. Thatâs because marijuana can only be detected in the system by a spit test for 12 to 24 hours.