Quote:
Originally Posted by Weed420
If its for drug test reasons only 3 days.
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This is a good guideline for water soluble drugs. Cannabinoids are primarily fat soluble, so it takes much longer to excrete enough of the metabolites to pass the test. For urine testing on a daily smoker, a good guideline is 30 days. Getting a test done on your own can help you find if you have gotten below the 50ng/ml level.