Quote Originally Posted by ysobro
The yield is so pitiful (<10% if that) that I didn't want to continue.
What this % exactly mean? That the amount of oil you got is less than 10% of the amount of weed you started with? (For example, you started with 1g of weed and got less than 0.1g of oil)?

Quote Originally Posted by ysobro
(How do I know? I don't. I just monitor the temperature and assume that if ethanol's boiling point is ~160-170F, then when the temperature rises to ~200 that means that the alcohol is evaporated. People with better chemistry knowledge please chime in here)
If the temperature were significantly higher than ethanols b.p., it must have evaporated completly.

Quote Originally Posted by ysobro
My knowledge of chemistry is limited but I wonder if whatever THC that's extracted into the alcohol gets tossed with the water. Does that alcohol-dissolved THC then become water soluble? or just alchohol soluble? my hope is that whatever thc gets extracted from boiling in the ethanol gets pushed into the oil layer thus making it more concentrated. Who knows!
The THC that was dissolved in alcohol does not turns water soluble. A small part of it may remain unsolved but in suspension in the water. Hopefully, most (if not all) of it will reach the oil layer and get dissolved in it.

If you didnt get good results when making a butane extraction, you should do what jimmy8778 suggested and make a pure ethanol extraction, and then dissolve the resulting hash oil in the oil. Maybe it can give better results.
Coelho Reviewed by Coelho on . Making a super-concentrated canna-oil using coconut oil Hello all, I know that it's been posted before about the saturation point of marijuana to oil when making canna-oil and also that there's huge variations on what kind of plant material that we're working. I know that the general rule of thumb that iv'e worked with before has been 1 oz of plant material to 2 cups of oil (4 sticks of butter) can you combine this extraction technique with the Green Dragon method and have about, say, 1/2 - 1 cup of grain alcohol to the oil/water mixture? Rating: 5