Is it possible to store urine for long periods of time before using it as a substitution? Will the contents of the urine (i.e. abnormal creatine levels, abnormal pH, etc.) be detectable as old? Would refrigeration be necessary?

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  • May 3, 2026 at 1:07 pm #34666 Reply
    Barry Neal Cooper
    Keymaster

    [ARCHIVE QUESTION]

    Originally asked in NGB forums:

    May 3, 2026 at 1:45 pm #34798 Reply
    Barry Neal Cooper
    Keymaster

    [ARCHIVE ANSWER]

    There is no other way to store urine long term without freezing that I know of. You will
    want to refrigerate urine if it not to be used within two hours or so. Afterward, it’s
    probably usable for 24 to 48 hours, but I wouldn't push it.
    You can freeze it for up to a year. After it is totally thawed, you can run it through a
    coffee filter to get rid of particles. As far as proper creatine levels and so forth, you would
    have to use validity test strips to test the urine and make sure its all within range.
    I would highly suggest using Dr. John’s synthetic from at urinator.com. You can get the
    synthetic without buying The Urinator if you already have a way to substitute it, but I just
    find it much more easier.

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Reply To: Reply #34798 in Is it possible to store urine for long periods of time before using it as a substitution? Will the contents of the urine (i.e. abnormal creatine levels, abnormal pH, etc.) be detectable as old? Would refrigeration be necessary?
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