1. When initially decarbing weed, you need to have it finely chopped. Better off using a coffee grinder or scissors.
2. Once alcohol is added, you're only supposed to gently shake the mixture periodically (i.e. once per day) and not "blend" it.
3. There's no real reason why adding the nutribullet to the process would offer any kind of benefit whatsoever.
Blending the plant material ruptures more plant cells and adds more chlorophyll and water solubles. The target elements are in the trichomes on the outside of the plant. I would suggest a QWET extraction.
Quick Wash Ethanol, also know as QWET is one of the techniques commonly employed to extract oil from cannabis. Here is skunk pharm’s QWET formula to produce an absolute using a 3 minute quick wash....