A friend recently asked if I could convert 1-2 lbs into hash oil. The answer is yes, but my current butane setup (either soak or tube) is pretty much limited to <1.5 oz runs. Also if I use 1 can per ounce, butane will get expensive pretty quickly. Building a closed loop system is unfortunately out of the question. So I was hoping to open a discussion about processing larger amounts of material. I'm interested in hearing people's teks (particularly QWISO/QWET) for large runs. The more detailed, the better. The goal is to maximize yield without sacrificing flavor.