no. If you add water to your urine the test will still detect the cocaine in it. giving positive results.
you don't
Not legally.
lols
No, pouring tap water into your urine will not cover up a drug test. Drug tests are designed to detect specific substances in urine, and adding water will dilute the sample but is likely to be detected by the testing process.
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
Drinking plenty of water can help flush out your system faster, as well as exercising to help speed up your metabolism. Some people also use detox drinks or kits specifically designed to help remove traces of substances like crack from their system before a urine test. It's important to note that these methods may not always be 100% effective, and the best way to pass a urine test is to abstain from drug use altogether.
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.