Bubble hash or solvent-less extract (or Ice-o-later) are all different names for hash that is made using an ice water extraction system. The first time I made bubble hash was in about 1999, when I had ...
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, ...