Most people out there do the QWET or Quick Wash Ethanol method which yields about 3-4 grams of oil per ounce or around 13% to 14% extraction yield. The total cannabinoid content of an ounce is about 5-5.5 grams of oil, anything above that is just chlorophyll and plant waxes.
The "SCET" method...
I have been saving my left over buds after vaping for the last couple of months.
I recently put them all in 95% ethanol for a week and then filtered it using a BÃ¼chner funnel.
I evaporated the ethanol and was left with a viscous black/brown oil.
Any ideas what it is?
We vaped it on 4/20 but...