Quote Originally Posted by littlebookofcalm
Man, look up "drug test" on wikipedia. 2-3 days in your system for how much you've had. Don't panic! :hippy:
Wikipedia is not always right, on a lot of subjects.

The drug tests are one time use. Drinking lots of water days and days before the test will do nothing for you. If you are smoking once a week, using the home test will be the best way to find out if you are clean.