no. If you add water to your urine the test will still detect the cocaine in it. giving positive results.
crack is nonwater soluble so you cant flush crack with water if anything will help vinegar might
you don't
Not legally.
lols
Time.
Same place you get urine tests that test for weed or crack--go online and search for drug test kits. There are several vendors.
It is possible to perform a hair test for crack. Crack will remain the detectable in the hair for up to 3 months. In the urine it is only detectable for up to 4 days.
yea
3-4 days
no
It's generally a good idea not to smoke crack. If you are trying to test someone for it be advised that they can often be cheated.
no unfortunately it would not it would only dilute your urine there would still be traces of drugs swimming about in there