Concentrates 101: What’s on the market, from kief and CO2 oil to BHO

Concentrates 101: What’s on the market, from kief and CO2 oil to BHO

Part 1: Learn about the ways THC is extracted from marijuana, including the dry sieve method for kief, cold-water hash, CO2 oil, butane hash oil and the new rosin trend.

http://www.thecannabist.co/2015/06/...ief-bho-water-hash-co2-oil-wax-shatter/36386/