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33 pinpoint zones to precisely identify multiple target locations from head to toe on the left
razor sharp edge every time
Hydration compartment
and blood borne pathogen resistance keeps you protected from environmental hazards
Sirchie NARK Duquenois Reagent (Marijuana/Hashish/THC) 10 Pack Protective Cases 33 pinpoint zones to preciselyThis presumptive test is designed to identify THC in Marijuana. This original chemistry was the foundation for the three ampoule Duquenois Levine (more specific) but is recognized as an excellent test for THC. The 1st ampoule should be agitated for sixty (60) seconds. No color should develop (THC is a clear colored substance). If a color does develop, you may have a false positive. The 2nd ampoule with show a very fleeting flash Green color before
