NIK Test E Marijuana and Hashish - 10/box

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Duquenois-Levine Reagent - Standalone test for the presumptive identification of Marijuana, Hashish and “Hash Oil”. Positive Result: No color change after breaking the first ampoule, a dark blue or violet after breaking the second ampoule and a grey upper layer over a violet layer upon breaking the third ampoule. Available in a box of 10.
0.25 LBS