I read that you can pass a urine test by dabbing bleach on your forefinger or on a band aid, and then rubbing it at the bottom of the vial before urinating. Will this work to destroy the results of the urinalysis, and if so, is it detectable?

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  • May 3, 2026 at 1:07 pm #34662 Reply
    Barry Neal Cooper
    Keymaster

    [ARCHIVE QUESTION]

    Originally asked in NGB forums:

    May 3, 2026 at 1:44 pm #34794 Reply
    Barry Neal Cooper
    Keymaster

    [ARCHIVE ANSWER]

    The lab can detect the most common tampering methods like bleach and vinegar. Using
    either off them would throw the Ph off. If so a simple PH test would detect them.

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Reply To: I read that you can pass a urine test by dabbing bleach on your forefinger or on a band aid, and then rubbing it at the bottom of the vial before urinating. Will this work to destroy the results of the urinalysis, and if so, is it detectable?
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