Any synthetic urine will pass a GC/MS test or SAP screen. In fact, synthetic urine is used as a baseline when the lab techs calibrate the GC/MS.

Just make sure that the synthetic is not expired or old. Otherwise the sample can be rejected as "non-human" because the constituent buffers (creatinine, PH, specific gravity) have dissipated to where readings are very low, or zero.
Burnt Toast Reviewed by Burnt Toast on . Puck Technologies "Number 1" synthetic The more I read the more worried I get about being able to "clean up" in 20 days. I invested in a 100 dollar "5 day detox" program before I started reading things here and I doubt it will help at all... So, I started investigating synthetic alternatives. Puck Technologies "Number 1" seems like a good kit - comes with 3 oz of synthetic, a belt to hold the pouch, tubing, and a heat pack that supposedly keeps the urine at 98-100 degrees. Does anyone have experience with this product that Rating: 5