Butane, used as a solvent in making hash, is among the more controversial substances for medical marijuana users. Experts like Westword medical marijuana reviewer William Breathes, believe butane ...

Hydrocarbon extraction is one of the most versatile and efficient methods for separating compounds from cannabis plants. For cannabis, the process allows you to extract cannabinoids, including ...

Simply Pure’s Wanda James knew she was stirring a hornet’s nest when she launched a campaign against butane hash, which she argues is potentially dangerous for people with compromised immune systems, ...