Modified Meckes Reagent - For the presumptive identification of all forms of Heroin, including White, Brown and Black Tar, and MDMA (Ecstasy).
In order to test an unknown substance, simply slide off the pouch clip and, using the loading device, place a small amount of the unknown substance in the pouch. Break the glass ampules (from left to right). Agitate the solution in the pouch and watch for the color change(s). Next, compare the color(s) of the solution to the color(s) printed on each pouch.