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Shatter is most definitely NOT all carboxylic acid! The THC-a is a pure carboxylic acid, but THC is an alcohol. What we know colloquially as "Shatter" is a combination of solids (THC/CBD and their cannabinoid cousins) PLUS terpenes, which are OILS at room temperature. Soft, flowing oils... Add...

I could see a benefit to using some pelletized dry ice, (added with the water ice), as it would keep the solution colder, BUT solid CO2 will sink in water, likely entrapping trichomes down on the filter bag surface as water freezes to the super cold CO2 pellets. If I'm able to experiment with...

Way too much t41/charcoal. Your product ended up adsorbed...try about 10% w/w of filtering substrates.

Thanks for reposting your thread! Good reading.

A freeze dryer is required for best results. This will remove 100% of the water, while preserving the oils. Without a freeze dryer, you can still do well, but should dry the buds to less than 5%. (As dry as possible.) It may seem counter-intuitive to thoroughly dry material that you will be...

Greetings friends! So we know about two wonderful pathways to clean, stable, high-potency extractions: organic solvent based methods, and water/ice based methods. Whichever methodology you prefer (and ultimately use), it remains true that the quality of the starting material directly...

Lumber, Panda paper/heavy plastic sheeting, silicone caulking, and proper design will seal up the room nicely. Thick but soft weather stripping will seal the door, but staple through it for a long lasting hold. 18k BTU of cooling would be sufficient to cool roughly 4kW of open, unventillated...

Regarding the use of a solvent on wet material- It depends on the miscibility of your chosen solvent with water, but in any case, water will end up in the extraction if it is not frozen, and the ice crystals subsequently filtered out. And the waxes and lipids are also located on the epidermis of...

Using less than 190 proof alcohol will inevitably pull pigments and other unwanted compounds due to the water content...

Acetone is king when removing cannabis extractions, just be sure to test some on the bubble bag first, as some plastics are destroyed by it.

I completely agree, and I also believe that the entourage effect is altered. It may be anecdotal, but my personal experience has been that rosins pressed from water-hash feel more gentle, when "partoken", than the exact same strains extracted with solvents. I'm fairly certain that the extra...

Regarding "live" products, those are plants that are flash frozen immediately after harvest, and then taken to extraction to preserve most of the terpenes.

"Rosin" is the result from pressing bubble hash on a heated press...the glands rupture, and their contents are collected after pressing. "Resins", though, are generally the products obtained after solvent extraction. They contain plant gums and lipids, and so lend a softer consistency.

Same here brother! My first attempt at a marijuana concentration was as a teenager in 1997... using acetone and a pipe column to wash some buds... I hadn't studied chemistry much yet, but I knew that bud resin was sticky and that acetone was great a removing sticky stuff. Fast forward 20 years...

I like this post, thanks! I would address the point of separating the terpenes from a pharmacological vantage; there are medicinal benefits to the terpenes too, and as such, they warrant individual study after isolation. The entourage effect is undeniable, I am very interested in deliberate...

Amen!! The passing of amendment 64 in Colorado was monumental (along with Washington) to get recreational marijuana realized...now, 6 years on, it's a brave new world, and I am happy to be in it. :) To the future!

That virus is crushing, to use the parlance of our times...

I am less concerned with the BP of the solvent per se, than I am with the soak times... I'd use ethane for extractions, but it boils at -89°C(-128°F), which would require substantial heating to efficiently recover the gas. I prefer to use a blended gas: 70% propane, 30% isobutane, as the final...

Evening everyone! Hopefully y'all are all staying dabbed up & happy! But before I go too heavy, let's clear up some items first... What are trichomes? (not trichromes interweb...) - They are the hairlike, glandular structures protruding from the epidermis of a plant. They contain the...

Hydrocarbon Extraction Why all the fuss about hydrocarbons? Much buzz has been generated regarding solvent choice, and with some internet hysterics inevitable, I'll explain some of the choices... 1)Why use hydrocarbons at all? As a class of solvents, they are nearly ideal for...