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How Rosin is Made | Weedmaps Learn - PNW CannaReviews
Rosin is a concentrate made by exposing cannabis to heat and pressure to squeeze the terpenes and cannabinoids found in the plant’s trichome glands. Rosin can be made out of flower, dry sift, or hash. This extraction technique has been used by other industries for decades. Imagine squeezing the oil out of an olive or...