It really depends on how much you use and how often. Cocaine they say 72 hours but I would wait 5 days. Same thing with the x. Weed 30 days if you smoke everyday. But if you don't smoke a lot 1 to two weeks.
It flakes in abar a week or 2.. Peace....
P.s. Take load of crack its good for your brain.... Blurtit
P.s. Take load of crack its good for your brain.... Blurtit