Where the legalization of the marijuana industry has affected the content of these lessons is on the subject of potency. Brady told the students that legalization has spurred competition and innovation among suppliers, to the point where they’re now churning out extremely potent and precisely calibrated forms of pot called “concentrates,” which comes in various forms.
Brady ran through their names: oil, bubble, shatter, wax and dabs.
“They call it a ‘dab’ because one tiny little nail head [of it] — I mean I’m talking like the end of my pinky — one tiny, little nail head is the same as three joints hitting the system all at once,” she said. “So it’s a lot stronger than it used to be.”
Tests of THC levels in marijuana samples over the years back this up. Whereas a typical joint in the ’70s probably had a THC level of 4 to 5 percent, at best,