See In the event your weed is contaminated using a synthetic cannabinoid check kit. They don't seem to be made for this.10 You may see synthetic cannabinoids having a microscope, or a really solid magnifying glass.11 Should the weed is contaminated, you could see crystals about the area. Ganja-estates stands https://highkeysocial.com/story3971346/new-step-by-step-map-for-best-weed-strains-germany