A History of Cannabis Extracts Part 2
Inventing the Closed Loop System
Erowid, a popular online psychoactive library that surfaced in the mid-1990s, put out an article in 1999 titled “Hash Honey Oil Technique,” offering arguably the first detailed description of butane hash oil extraction procedures to the Internet. The controversial methods described in the article would later be known as “open blasting,” a dangerous extraction method that exposes the highly flammable butane used.
Nevertheless, the process of feeding butane though a vertical column packed with ground cannabis would later inspire the invention of closed loop systems (CLS), which heavily refined this method by containing the highly flammable hydrocarbon solvents and then recycling them back through the system.
The Advent of Budder and Dab Rigs
In 2005, a Cannabis Culture article was released online titled “Beautiful Budder,” where a Canadian man who uses the alias Budderking is interviewed about his proprietary hash oil “budder.” Budderking describes working with a colleague in the early ’90s out of British Columbia to create an amber glass substance by using a series of refinements involving alcohol.
After leaving an amber glass sample on a windowsill for a prolonged period of time, Budderking and his colleague witnessed their sample “buttering up.” Once they tweaked their findings, they were able to develop a product that made its debut on the shelves at Da Kine dispensary in 2003.
With this, Budderking also introduced a small unit designed to make vaporizing the concentrate easier, the precursor for what we now call dab rigs. This product would only be available for a brief amount of time, but word of the procedure quickly caught on and made its way to other markets, namely Colorado and Southern California.
Original Article by Leafly