Marquis Reagent: Primary general screening test for the presumptive identification of Opiates (Morphine, Codeine or Heroin), Demerol, Black Tar, Amphetamine-type compounds including Methamphetamine & Methylenedioxymethamphetamine (MDMA ...
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Awesome
Gary Ā· October 10, 2025
Works as Shown
Just had the chance to use it recently, works as shown and easy to comprehend and understand. Great and easy for field testing!