Sirchie NARK Duquenois Reagent (Marijuana/Hashish/THC) 10 Pack Staff Picks A perfect replacement for your

A perfect replacement for your duty sights

this bag will show that you mean business

Pick made for hard packed ground

waterproof 10

Sirchie NARK Duquenois Reagent (Marijuana/Hashish/THC) 10 Pack Staff Picks A perfect replacement for yourThis 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