Vaping: One of the easiest and most effective ways of consuming D8 THC is through vaping. You can choose to use delta 8 THC carts with a 510-threaded battery and have delta 8 on demand. Also, there is CBD flower available with added D8 that you can vape or smoke. Smoking: As mentioned, you can smoke delta 8 like a regular joint with CBD flower. Delta-8-THC is present in hemp is such low amounts (<.00001%) that it isn't feasible to extract it from hemp. It isn't even detectable in most hemp strains. The only real way to get delta-8 starting with hemp is to synthesize it by isomerizing CBD, which is present in hemp in great quantity, into delta-8-THC using reagent chemicals such as hydrosulphuric acid, hydrochloric acid, p.