I use only buds and tray shake. after trimming I dry in a hanging basket, and catch all that falls, plus tons of overage, well, not tons, but alot I get between 3-6g depending on strain. I dont decarbox unless it's for capsules or edibles like candy. on the way out of the tamisium the oil is filtered through activated carbon, and then a micron filter. Temperatures are controlled if needed, to target specific components. many different solvents can be used in this, even water. pressure gauges,digi laser temps,etc make it a no brainer. My kit, with a fitted padded bag was 1500, paid for itself in a few months, in used butane alone !! safety, purity, precision...thats what I wanted. I have extracted every herb in the garden with this, including flowers, yep them too! if i misplaced it, I would immediately replace it, at a higher cost even. I first saw this at a big pharm convention, then later in thier lab, it was much larger, but made by the same man. They used it to do the same think for medicine. chemical extractions for synthesized patentable drug study....think valium, valerian root, morphine, poppy...etc. I was drawn to it like lips to a bong ! all I want is whatstrapped inside that trichome. I want to preserve its essence, and enjoy the electricity !