Alot of water not to much due to the fact it can cause water intoxication and can be life threatening. But cocaine is excreted through urination and sweat. If a heavy user it can take up to a week if after a night with just a few bumps about a day per few lines.But overall your best bet is to just leave it alone.
The real answer is you Can't mask cocaine in a urine test, no matter what you try.
cocaine + anything else
urine test
don't do cocaine
you dont.
not very likely
Not legally.
.......... JJ NOTE: No, they check your urine for alcohol, not for cocaine ......................
COCAINE buddy.
lols
no. If you add water to your urine the test will still detect the cocaine in it. giving positive results.
No.