Get some piss from a friend or off the net.

If you do just use water, be sure and take a vitamin (C and b vitamins) so that it will have color to it.
BONGmarley Reviewed by BONGmarley on . can i pass a drug test by.... just drinking a shitload of water? Its a urine test done at a school. I have been smoking on average about 1-3 times a week for maybe two months now. I just started tokin two months ago as well. Rating: 5