![]() You can run 300ml per batch, clean about 21 grams of dirty extract at a time, use only around 100☏ to keep the terpenes strong, and reclaim 95% of the ethanol safely in the home in a little more than two-hours. For this task there’s only one affordable, easy to use, at home appliance for the job, the Source Turbo by ExtractCraft ( If using the Source, for safety of operation, you must make absolutely sure there is no butane remaining in the wash. My goals during this step are to use minimal heat, finish expediently, and recover as much alcohol as possible. How well this step is performed will have a large impact on the quality of the final product. ![]() The wash is nothing more than a combination of cannabis oil and ethanol, but to isolate the coveted cannabis oil for use as a concentrate the ethanol must be removed. If the wash appears to need further polishing, go to the Polishing Dark Extracts: Carbon Scrubbing & Diatomaceous Earth Filtering blog post and review that process to determine if it’s necessary. Both washes had the same components, but due to the lower component density this one was much lighter. This wash was significantly lighter in color than the original filtered wash. The solution must be stirred until the concentrate is completely dissolved and the bubbling has subsided.ĭEMONSTRATION: The second filtering resulted in undesirables of a much more solid form, 2.27g of a hard wax, and a beautiful golden wash. Stirring the heated mixture allows a fresh butane extraction to release the purging gas through active bubbling, while dissolving a stable concentrate may not experience any bubbles. Remember, ethanol is very flammable and needs to be handled with the highest regard for safety.Ī fresh, loose butane extraction will combine with ethanol readily, however, if the concentrate has already set up in a stable form it’ll take time to dissolve into a solution. To begin, carefully heat the ethanol to 110☏-120☏ in a very well ventilated area, on a hot plate, away from any open flame or ignition source, and defiantly not over a gas stove burner. Using too little ethanol may result in leaving a good deal of desirable components behind with the undesirables once we filter out the waste. In this demonstration I used about 15:1, and would encourage using up to 20:1 if the BHO is dirty enough. To my experience thus far I’ve found 10:1 to be insufficient. Most references floating around recommend combining ethanol and concentrate in a 10:1 ratio. The butane extract must be completely purged of ALL butane before moving past this stage. Introducing a butane extraction into 95% ethanol is a very efficient way to purge excess butane and separate out undesirables. This is what will be cleaned up in this demonstration. This is what dirty BHO looks like and only God knows what’s in it. In this post I will share my experience of using winterization to clean up an unattractive glob of BHO like this. Winterizing will eliminate the majority of remaining butane and remove undesirables like fats, lipids, and waxes, giving you a beautified concentrate that’s vastly more appealing and safer than the original. Having said that, if you somehow end up with BHO that resembles a cloudy, wax laden, contaminate filled, proverbial “poop soup” you can use the “winterization” process, with food grade ethanol (95% or higher), to clean and polish your concentrate. Performing butane extraction at home is very dangerous so I don’t recommend it and urge everyone to find a safer method for home extraction. Crafting clean and safe BHO requires some knowledge and skill but it’s not overly difficult and can be learned easily. We’re going to use a very dirty butane extraction for our example in this post. This rudimentary winterization and polishing can be used to clean up any type of concentrate from rosin to butane. Often the simple process of winterizing a dirty concentrate can polish and improve the quality immensely. By Troy are many ways to make hemp and cannabis extractions and for the novice the outcome sometimes might not be as clean and beautiful as we’d like.
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