firstly that sucks .. it is in ngs and 50 ngs constitutes a positive dunno bout percents ... also ibuprofene if taken alot will turn up as a positive for cannabioids on some tests drinking water does nothing fat isint water solubal... drinking fluids dosent really work at all excersise is proabably the best thing because excersise can increse your metabolisim... also high fiber for thc in ur shit not piss ......
cheers and fight those bastereds