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, ...
Made with no more than water, heat, pressure, and a few tools, hash rosin has become one of the most prized forms of cannabis resin today. Most hash rosin is made by squishing ice water hash instead ...