Crack Cocaine?

I made a huge mistake in my life and smoked crack cocaine on Sunday night.I smoked 4 rocks and was finished at 9PM. How long will it take to be out of my system? I am going to be getting a urine test that gives instant result. Is there anything i can do to have it out of my system more quickly…other than drink a lot of water. I appreciate the help….and to anyone considering ever trying it…its not worth it.

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