Weed is stored in fat cells in the body, therefore the more fat cells, the longer it will take to flush it from your system. That being said, appox. a month. It can be done more quickly by increasing fluid intake.
about a week.
it will take about 31 days to get good weed out of your system naturally for a person over 200lbs
3
0 days
2 weeks
one week
Well, it depends on what you mean by "system". Your blood? It can take a couple of weeks. Your, um, like, brains? It depend on how good the weed is!!!
Generally 2weeks
2 weeks.
30 to 40 days
Depending on the THC toxicity of the weed, no more than 2 weeks.
Nothing can clean your system of weed except time. There are products that can make it undetectable in your urine for a few hours, but that's it.