DMT-Nexus member
Posts: 135 Joined: 05-Nov-2010 Last visit: 16-Mar-2013
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I just learned about this and after seeing what's screened out I don't think ill ever skip this step again. Very simple! Just dissolve your bho into ethanol or acetone, and throw into the freezer. Undesirable crap will precipitate out of the solution and you can filter it out. Ill post a pic of what it looks like finished in a bit, but first here are the waxes and junk you can filter out with this method. The bho is called a concrete or oleoresin, and after filtering it is an absolute. You can google it for more info lots of it out there but I figured I'd share it with you guys here in case you haven't tried it! landfishd attached the following image(s):  CAM01468.jpg (1,015kb) downloaded 399 time(s).
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DMT-Nexus member
Posts: 992 Joined: 10-Dec-2010 Last visit: 24-Oct-2023 Location: Earth's atmosphere
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Yuk, that looks gross. Very interested to see the finished product. Perhaps your could post an image of the starting product looked like as well so we can see all the stages. I sure do love me some good BHO. Thanks! Let us declare nature to be legitimate. All plants should be declared legal, and all animals for that matter. The notion of illegal plants and animals is obnoxious and ridiculous.
โ Terence McKenna
All my posts are hypothetical and for educational/entertainment purposes, and are not an endorsement of said activities. SWIM (a fictional character based on other people) either obtained a license for said activity, did said activity where it is legal to do so, or as in most cases the activity is completely fictional.
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DMT-Nexus member
Posts: 135 Joined: 05-Nov-2010 Last visit: 16-Mar-2013
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Hey Mitakuye! This is definitely the cleanest oil I've smoked. It strips some flavor but if done with fresh bud or trim it will remain very flavorful. landfishd attached the following image(s): CAM01478.jpg (1,127kb) downloaded 370 time(s). CAM01480.jpg (1,435kb) downloaded 362 time(s). CAM01481.jpg (1,282kb) downloaded 365 time(s).
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DMT-Nexus member
Posts: 992 Joined: 10-Dec-2010 Last visit: 24-Oct-2023 Location: Earth's atmosphere
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Damn, those photos gave me a stiffy. BHO porn. Are you using Everclear for the ethanol? Let us declare nature to be legitimate. All plants should be declared legal, and all animals for that matter. The notion of illegal plants and animals is obnoxious and ridiculous.
โ Terence McKenna
All my posts are hypothetical and for educational/entertainment purposes, and are not an endorsement of said activities. SWIM (a fictional character based on other people) either obtained a license for said activity, did said activity where it is legal to do so, or as in most cases the activity is completely fictional.
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Cloud Whisperer
Posts: 1953 Joined: 05-Jan-2009 Last visit: 22-Jan-2020 Location: Amongst the clouds
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landfishd Wow these pictures are absolutely incredible, I feel greatly honoured to have seen such mastery and beauty. The glistening sheen in the photographs is pretty much unmatched, I would really love to nibble on some... Much Peace and Respect
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DMT-Nexus member
Posts: 135 Joined: 05-Nov-2010 Last visit: 16-Mar-2013
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Haha thanks guys I'll throw up a couple more shots tomorrow. I was thrilled when I had read that acetone works just as well if not better than ethanol. It has a lower boiling point, and the waxes precipitate faster in acetone. Plus it's easier to get and cheaper! It's a win win win win.
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DMT-Nexus member
Posts: 108 Joined: 23-Feb-2012 Last visit: 21-May-2015
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damn another BHO boss in the house i really like that tek. are you using oil from a water bath or actual wax?
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DMT-Nexus member
Posts: 135 Joined: 05-Nov-2010 Last visit: 16-Mar-2013
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bonger wrote:damn another BHO boss in the house i really like that tek. are you using oil from a water bath or actual wax? Water bath? You mean like water hash? No you must start with bho. Though I'm sure you can clean up your dry sift or bubble hash with this method too the results will be much different.
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DMT-Nexus member
Posts: 108 Joined: 23-Feb-2012 Last visit: 21-May-2015
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Haha no I mean did you use a hot water bath and make oil or did you use actual wax.
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DMT-Nexus member
Posts: 135 Joined: 05-Nov-2010 Last visit: 16-Mar-2013
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Oh OK I see now. To try it out I did use some old wax that was collecting dust. These pics though are from a run I did the other day and was vacuum purged just enough to break it off and throw in the jar with acetone. No reason to spend a lot of time purging when you are just going to dissolve it again into another solvent. All the butane will purge when you get rid of the acetone or ethanol.
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DMT-Nexus member
Posts: 108 Joined: 23-Feb-2012 Last visit: 21-May-2015
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Nice. Which one do you prefer acetone or ethanol? And what is the ratio you use?
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Free Spirit
Posts: 237 Joined: 15-Aug-2012 Last visit: 15-Jan-2014 Location: Earth
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Good idea! Never thought I'd try to evap the impurities out. This will be really helpful and very appreciated. Peace and love. With these hands I have killed man and destroyed hopes and dreams. But when I open these hands I can hold my wife, make my children laugh and even aid others. It's not the path that we take but the choices that we make along that path that makes us who we are. -Waugriff
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DMT-Nexus member
Posts: 108 Joined: 23-Feb-2012 Last visit: 21-May-2015
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I love this im heading to get more acetone now  Be careful though I was told by someone that acetone is supposed to be a more carcinogenic chemical and also much more flammable also is was widely used in cocaine production so be careful when purchasing in large amounts it could potentially be flagged Enjoy your BHO
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omnia sunt communia!
Posts: 6024 Joined: 29-Jul-2009 Last visit: 29-Oct-2021
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bonger wrote:Be careful though I was told by someone that acetone is supposed to be a more carcinogenic chemical Quote:Acetone has been studied extensively and is generally recognized to have low acute and chronic toxicity if ingested and/or inhaled...
Acetone can be found as an ingredient in a variety of consumer products ranging from cosmetics to processed and unprocessed foods. Acetone has been rated as a GRAS (Generally Recognized as Safe) substance when present in beverages, baked foods, desserts, and preserves at concentrations ranging from 5 to 8 mg/L. Additionally, a joint U.S-European study found that acetoneโs "health hazards are slight."
Carcinogenicity: EPA in 1995 concluded, "There is currently no evidence to suggest a concern for carcinogenicity". (EPCRA Review, described in Section 3.3). NTP scientists have recommended against chronic toxicity/carcinogenicity testing of acetone because "the prechronic studies only demonstrated a very mild toxic response at very high doses in rodents".
Wiki โข Attitude โข FAQThe Nexian โข Nexus Research โข The OHTIn New York, we wrote the legal number on our arms in marker...To call a lawyer if we were arrested. In Istanbul, People wrote their blood types on their arms. I hear in Egypt, They just write Their names. ืื ืื ืืขืืืจ
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Chairman of the Celestial Divison
 
Posts: 1393 Joined: 21-Jul-2010 Last visit: 11-Aug-2024 Location: the ancient cluster
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Quote:Two of the three (ketone bodies) are used as a source of energy in the heart and brain while the third (acetone) is a waste product excreted from the body. In the brain, they are a vital source of energy during fasting. Eat your Ketones, s'good for d'eh keshka ^ that's what my Ukrainian grandmother used to say... but not about ketones  I think she meant intestines by keshka, but it could have been anything. Expect nothing, Receive everything.
"Experiment and extrapolation is the only means the organic chemists (humans) currrently have - in contrast to "God" (and possibly R. B. Woodward). "
He alone sees truly who sees the Absolute the same in every creature...seeing the same Absolute everywhere, he does not harm himself or others. - The Bhagavad Gita
"The most beautiful thing we can experience, is the mysterious. The source of all true art and science."
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DMT-Nexus member
Posts: 135 Joined: 05-Nov-2010 Last visit: 16-Mar-2013
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bonger wrote:Nice. Which one do you prefer acetone or ethanol? And what is the ratio you use? Acetone is easier to get and cheaper so that's what I'll be using. Ratio is not important just don't be shy with it because if it's too thick you'll lose oil to the filter.
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DMT-Nexus member
Posts: 108 Joined: 23-Feb-2012 Last visit: 21-May-2015
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Awesome thank you for the reply. And glad to see the person I know was wrong about acetones carcinogenic properties
How are you evaping your acetone? Vacuum purge? Or just evap in dish letting air dry?
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Lysergic Feline
Posts: 303 Joined: 04-Dec-2011 Last visit: 10-Apr-2014 Location: deep within a black hole
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SEXY!  Gun it to 88.....::those who speak do not know, those who know do not speak::..เฅ<3เฅ
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DMT-Nexus member
Posts: 473 Joined: 07-Aug-2011 Last visit: 10-Jan-2014
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Not that it really matters but this is essentially the technique used in the industry to get very high potency extracts. It is a process called "winterization". It is reccomended to be done at about -20*C for 48 hours. Aka cold freezer for two days. Works with denatured ethanol as well. Typically it is performed on supercritical CO2 extractions however BHO will certainly suffice. Cheers, lovely work!
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DMT-Nexus member
Posts: 135 Joined: 05-Nov-2010 Last visit: 16-Mar-2013
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Thanks I forgot the term. I would not recommend to use denatured alcohol though because it's not easy getting all solvent out of a thick oil. Some of the poison in denatured alcohol have really high boiling points and you'd ruin your oil trying to get it all out.
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