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Butane is unequivocally easier to purge than iso because its boiling point is 83C lower than the boiling point of iso. The obvious disadvantage to bho is the risk of catastrophic injury/damage compared to qwiso. In the end it comes down to which you prefer smoking.

I never thought about neem oil and how could affect the outcome of the oil, thanks for the warning. The neem oil itself has a garlicky smell and since most of its constituents are liquid at room temperature it does make sense that neem oil in your final product will cause it to have a runny...

Hey Sunsetemission, did u make any progress on the vacuum distillation process? I am curious because I want to try a similar technique. Also I watched the youtube video u linked, I don't think this is a great process because soxhlet seems overkill when the compounds we are interested in are on...

I suspect it was popularized by our Russian friend who first made information about this technique widely known to these circles ;)

Next time you blast and scoop off this "wax" give it a poke with your fingers and feel how brittle it is. I have scooped off ice from large blast runs too and it is definitely BRITTLE like ice and not goopy like the wax that collects in your filter after a dewaxing. The second video that he...

I watched the first video and I am almost positive that the stuff he is scooping is not plant waxes but ice. Dewaxing is not a secret process, and I dont think anyone winterizing scoops with a spoon because after chilling EtOH + BHO the waxy crap actually will be on the bottom of your...

I don't think -50c is technically cryogenic but you will be hard pressed to find a freezer that passes -80c, even in generously equipped biotech labs. For true cryogenic work I believe they are using liquid nitrogen. Unfortunately you are right that cryogenic freezer is out of my budget :( I...

U can't blame her, its hard to undo the ill effects of lifetime of propaganda. All we can do is try :)

If you are both anti-government then it should be obvious that drugs = bad is an artificial distinction drawn up by the government. Nicotine, alcohol, caffeine, tylenol, etc, are all drugs too but the government has arbitrarily placed cannabis in the "bad" category.

Just read this for the first time, boy there is a ton of fantastic info in here. Quick question about the steam distillation mentioned: what is the end result of steam distilled thc? I have never seen this..

What a coincidence!! I just watched this last night. I noticed the distinct omission of information relating to their blasting process, but I did see that they have a huge collection of glass tubes so I am assuming their primary extraction is with canned butane.... Tek engorgement is right, I...

Sadly now I only enjoy looking and smelling flowers also. Really spoiled by the oils :) Good riddance though, I don't miss the taste of ash one bit!

I use a terpenator and running 400 lb of trim is over 1000 columns which can take quite a while...You'll probably want several terpenators :)

I don't blast, my butane is traveling through a closed loop system. At the beginning of the extraction the butane entering the system is too cold for my thermometer to read (lower than -27F). The result of the extraction is a product with consistency similar, but not nearly as brittle, as the...

I believe freezing butane and/or tube achieves the same thing if you are blasting, which is keeping the butane liquid so it can act as a solvent. So freezing butane before use should increase yields or at least decrease # of cans you have to use.

Ah I forgot to mention some important details... When collecting the super chilled butane with dissolved oil, there is a layer of sticky stuff on the bottom of the collection vessel which I suspect is the waxes stuck to each other. I did not collect that stuff, which I think is the reason why...

You are right, the dissolution is very slow. I performed my usual extraction with the only difference being the cold butane and my extraction rate fell from 14% to 5%.

Ok sorry I did not mean to imply that the product created with dry ice temp butane is the same as a winterized absolute. I just want to understand why using super cold butane has a difference on the consistency (more brittle) of my final product when all the science says that it should not.

Wow, one of the pioneers of shatter making took the time to comment on this thread :) salutations Jump!

QWIZO u sound like you really know your stuff, a lot more than me that is for sure. I just started using dry ice today with butane (sub zero F temp) only and I have to say it really works. I got rock hard shatter with butane only (no EtOH winterization!). I don't know if this can truly be called...