“The explosion almost killed both of them. This butane hash oil is nothing to play with.” Marijuana smokers have been making hash oil using solvents such as butane or ethyl alcohol since the 1960s.

Add Yahoo as a preferred source to see more of our stories on Google. Medical marijuana moroccan hash cannabis pollen hashish closeup in moroccojackmalipan via Getty Images Call it what you want, hash ...

Call it what you want, hash, also known as cannabis concentrate, is one of weed’s most misunderstood byproducts. Hash has been popular for thousands of years, but I didn’t try concentrates for the ...