[ARCHIVE ANSWER]
If you piss water they will fail you on general principle for tampering because they would
consider a diluted sample a dirty sample. There is absolutely no way to remove THC
from urine. No matter how many drink's you buy, or how many home remedy's you have
heard of they all do the same thing – dilute THC
THC is stored in the body's fat, which is to say if you’re obese, it takes longer for THC to
exit your system. If you are a skinny guy with low body fat, it will be quicker.