It’s no longer a surprise that already vaped weed can be transformed in very easy ways into cannabis oil. However, few people know how to carry out the processes. After vaping on a batch, a user’s first instinct is to throw out the withered and brown-colored residue left in the vaporizer’s chamber. Whereas, that withered pot still contains some cannabinoids (unlike when marijuana is smoked, and no residue apart from ash is left).