Call it what you want, hash, also known as cannabis concentrate, is one of weed's most misunderstood byproducts. Hash has been popular for thousands of years, but I didn't try concentrates for the ...

Dear Gene: You’re allowed to make concentrates that don’t require butane, like bubble hash, kief, QWISO hash from rubbing alcohol, and other concentrates extracted with water. As I’m sure you know, ...

Dear Stoner: I keep seeing all these different “concentrates” in dispensaries, but I’ve yet to try any. I know this sounds dumb, but what is hash exactly? Dear Ivana: What is hash? Awesomeness ...

DENVER – Explosions from marijuana butane-hash oil extractions have not plagued La Plata County. But Republican Attorney General John Suthers worries that safety hazards could proliferate if consumers ...

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 ...

What does butane have to do with recreational marijuana? And why does the 319-page law that made Minnesota the 23rd state to legalize marijuana ban the home extraction of cannabis concentrates using ...