China not an option the flask is to recover ethanol then I use magnetic heat stirrer after
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Maybe you can assist, the ethanol colour was perfect but now on rotovape the colour is getting darker my question is can I get the crude golden even if it is THC
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I’ve never seen golden EHO in bulk. Spread thin (shatter) definitely. Broken down into a .5 of 1g syringe maybe. The key is to keep the extraction very cold and utilize a very short soak time. Like less than 5 mins.
Have you looked at the ethanol color remediation thread?
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Just don’t worry about the color. It’s part of the full spectrum extract
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I tried my best got 91.2% on oil with more red colour but still happy
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I think the soak time is bullshit, tbh I think it’s more about filtration. I did a 30min soak in freezing etoh and I’ve gotten yellow post filtration. I’ve done a 3min soak and never gotten yellow. Not any of the times I’ve ran with etoh bucket tek have I ever get yellow right off the bat from using ethanol as a solvent, there’s always a filtration step.
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Hmm, that’s not quite my experience. How cold are we talking about? Also, how many soaks? I generally do 2 soaks in different volumes of ethanol for a given amount of biomass. Always with ethanol and biomass that has been cooled in a -80C freezer for at least 24 hr. If I’m going for shatter or some THCa product, I will do short soaks which can range anywhere from 3-10 minutes. In these cases, I always end up with a yellow/golden tincture for both soaks with only filtering sediment (no AC or clays or anything). But if I’m going for distillate, I will typically do 2 30 minute soaks. In theses cases, the first soak typically ends up being gold, but the second soak is almost always green. In these longer extractions, the ethanol gets warmer too due to the length of time and going in and out of the -80C freezer, so by the time I’m done the ethanol can sometimes read -60C or so.
Mind sharing your filtration parameters? Just filtered over AC? T5 or any clays? Do you filter cold, room temp, or warm?
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I was putting the dry ice directly in the etoh for a couple runs before I learned you weren’t supposed to do that. I use to just drop the nugs in and wait a few mins then filter that over 5 microns. The stuff I pored out of the bucket wasn’t yellow it was green, like rso green. But after it was filtered over the 5 micron filter it wasn’t nt super yellow but it was cloudy yellow. Then I filtered that in a sleeved dewaxing column pushed thru a different 5 micron filter and got it less cloudy. Then I’d filter over 2" of a.c. and 2" d. e. . That would usually make it that crisp yellow.
I haven’t worked with etoh in a while. I also don’t have filter bags to soak the material and then pull it out I usually just submerged the nugs in etoh that had dry ice in it.
When I go back to it this winter I’ll try different medias and I’ll get some filter bags for the material. But I still think post process matters the most.
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