Although there was national news coverage last year on fake THC cartridges in America, the illegal hash oil cartridge market is still alive and thriving. We decided to take a look at the most popular selling unlicensed cartridges, and help shed a light that they are no good. It’s important to be aware of the deception from street dealers who claim they have clean THC cartridges from California. In reality, they have low quality cannabis oil that couldn’t legally be sold so it was dumped into the black market.