see If the weed is contaminated with a synthetic cannabinoid check kit. They're not designed for this.10 You may see synthetic cannabinoids that has a microscope, or a very powerful magnifying glass.11 In case the weed is contaminated, you could possibly see crystals to the surface. Head around to https://charliemkyqi.wikibuysell.com/1735167/5_simple_techniques_for_buy_weed_in_berlin