Trying a few tubes with n-tane and iso tomorrow.
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What are your column soak times like?
And are you going to up your solvent:material ratio? (I remember seeing you were doing 4:1 or somewhere in that range, if I misread please correct me)
7:1-10:1 is where I like to be at…
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Yeah, seems like that 100lb of lost solvent is in the tubes and has the goods to me.
Chasing it with fresh solvent would be my response.
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Does that bad boy scratch up the inside of your column?
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No but you have to be careful with gaskets if your column is not 1 piece
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100 PSI N2 and a rubber mallet works great for unpacking columns without a sock 
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How are you charging with n2 and hitting with mallet? Lol
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Agreed. I need the open source sop for using a mallet and n2 at once
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https://drive.google.com/file/d/1KZvNjpFmHapQ9hKyIlBt0QP8GmvCo8c1/view?usp=sharing
I’ll take payment for this consultation in chilidogs 
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Nice anti static barrel 
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How’re you recovering the fuel from the bio? Looks like the “fuck it” method
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Not recovering the solvent from the bio. Pushing out as much as I can with N2 into the collection. 3000g of fresh frozen holds about 700g of butane when all said and done.
How do you recover solvent from fresh frozen?
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I didn’t see that was fresh frozen… that changes everything.
You don’t recover from fresh frozen cause it barely holds shit! Lmao
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Thanks for bringing this to my attention. ESD barrel and bags are next on my list of purchases.
What do you use?
When u say 1% u mean like dropping from 10%yeild to 9% yeild or dropping from 10% to 9.9% 
asking for a friend lol
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Fo sho
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Which is a 10% drop in extraction efficiency…or is it?!?
Extraction efficiency is defined as Input cannabinoids / output cannabinoids x 100
== (input potency x input weight) / (output potency x output weight) x 100.
Let’s imagine 10kg of 10% THC biomass and 1kg “yield”.
If we’ve done REALLY well, and hit 95% THCA == 84% THC then you’re looking at 84% extraction efficiency.
If you only managed 75% THC then you’re looking at 75% “extraction efficiency”.
Working the math for the “you done good” we have.
9% yield == 900g x 84% THC == 756g THC == 75.6% efficiency
Vs 84% if “yield” was 1kg. (Pretty close to “10%”: 84-8.4=75.6).
At the other end:
900g at 75% => 680 of THC or 68% extraction efficiency.
Vs 750g or 75% efficiency. (Again pretty close, but not exactly 10%: 75-7.5=67.5)
Which is why I suggest actually following the cannabinoids not just the cadabinoids (that which can be dabbed)
Edit: for those who haven’t noticed the inline link, and also don’t grok how 95% THCA and 84% THC are equivalent above.
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Valentine Michael Smith
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Loved trying to explain that loss to people when running for distillate.
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