Sirchie NARK Duquenois Reagent (Marijuana/Hashish/THC) 10 Pack Batteries Automatic Pressure Equalization Valve -

Automatic Pressure Equalization Valve - balances interior pressure

at our discretion

or any micro USB phone/electronics charging cord―no separate battery charger needed

No drip technology applies to all 50/50 NYCO colors only

Features of Pelican 7600 3 Color Rechargeable Tactical Flashlight 900 Lumens

Sirchie NARK Duquenois Reagent (Marijuana/Hashish/THC) 10 Pack Batteries Automatic Pressure Equalization Valve -This 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