This short video shows you how to pass a weed drug test by urine dilution. Some myths that don't work are niacin, sure gel, and cranberry juice. Don't waste your money. Herbal detox remedies and detox drinks don't work either. Substitution will work if you aren't going to be monitored. For other situations diluting is the only way to pass a urine drug test. If not done correctly you can fail your drug test. You can learn more at howtopassadrugtest420.org.