See When your weed is contaminated that has a synthetic cannabinoid test kit. They're not made for this.10 You may see artificial cannabinoids with a microscope, or a really potent magnifying glass.eleven When the weed is contaminated, you may see crystals to the floor. ) presently remains a punishable offence. https://is-it-legal-to-buy-weed-i51736.dreamyblogs.com/31755557/a-review-of-thc-products-germany