Flowers usually contain 10-25% THC content whereas concentrates can be anywhere from 50-90% THC. Photo by devansiennaescrow. Hash, oils, and tinctures are easily found in cannabis stores and offer a concentrated dose compared to smoking flower. Cannabis extracts that go beyond the basic cannabutter may seem complex, but the below techniques are simple enough to do at home … [Read more...] about DIY Cannabis Extractions: how to Make Your own Concentrates at Home