Quote Originally Posted by Astral trip
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I'm interested in doing this, has anyone tried it yet?
Why?
Jerry G Reviewed by Jerry G on . Make your own urine powder? So I found this... 9.2.2.1 Making your own powdered urine: Urinate in a glass container. Let it evaporate. Then scrape the inside for the concentrate. Just mix it with water before the test, and the sample will have the correct specific gravity, pH, color, etc. Does that really work??? FBR??? Rating: 5