// Definition
Rosin pressed from pre-made bubble hash or dry sift rather than flower. Produces a further-decontaminated concentrate by separating cannabinoid-rich oils from the waxy trichome membrane through heat and pressure. Generally produces a cleaner, more refined product than flower rosin, with Tony Verzura pressing six-star hash into clear shatter-like rosin.
// From the Episode
Tony Verzura pressed 90-micron full melt through a screen, producing clear shatter-like rosin. Bubbleman exclaimed: “You’re taking already a six-star and trying to make it into what, seven or eight?” The group discussed how hash rosin represents the ultimate decontamination step — removing the wax membrane from already-pure trichome heads to produce the cleanest possible concentrate.