One of the most common negative effects of long. Webyou could try detox methods or premade formulas (found online or in stores) but, depending on the type of drug test, it can usually be detected that a detox was found in your. Webthe fastest i've detoxed is 8 days. This is after being a heavy dabber, smoker, and eater of weed (all day err'day). I am ~140lbs, with relatively low body fat, and exercise fairly. Marijuana is one of the most difficult substances to quickly clear out of your system. In fact, it takes between three.