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I just bought a Green Oil Machine recently (www.greenoilmachine.com) to use for my QWET (aka Everclear/Ethanol) extractions. Was using a vaccum distillation set previously and was just tired of all the bulk and I wasn't even using it in a vacuum anyways as the cold capture to keep it at vacuum...

It's funny you say that, because that's exactly the approach I've taken so far. My background is in the computer sciences as an engineer, so I know the old adage of "just test it yourself" all too well. I read Skunk Pharm's QWET extraction technique, and immediately cracked open an old...

That's what I'm thinking too. Any guesses on what size membranes work best? I've been researching a few "membrane supply companies", am just trying to figure out the best way to even call them up to ask "hey, what membrane do I want to use to separate cannabinoids from a quick wash ethanol?"...

Alright guys - I want to theorize on this a bit. Plus, I don't have enough advanced chemistry knowledge to know the specifics of how one would actually pull it off, aside from literally going the old fashioned "test it myself" route. So - with that said, here's my theory / question: Is it...

P.S. I should also report that the kief was pretty green, so obviously they spent a little longer shaking than they should have and there was definitely way more plant material than I would have liked (as evidenced by their full melt, which was probably made from the kief). I'm going to have to...

I used 5g of kief (and 1g of "full melt bubble hash" of the same strain, that was definitely NOT full melt). A few observations: - While trying to dissolve everything, something just didn't want to dissolve. I kept adding everclear thinking I needed more solvent, and warmed the solution as...

Seriously? So - pretty much just gobs of easy awesomeness? Am I reading this correctly that they're essentially saying "take room temperature everclear, insert room temperature kief, shake vigorously for [up to] 30 minutes to fully dissolve everything, and then simply evap (best done "cold"...

I was about to ask where you got these wondrous screens, and then realized it was a link, thanks! Wish I could get them from Amazon and have them delivered tomorrow. I bought the s-filter, but my math is saying it's somewhere near 113microns, so not nearly small enough to filter out the...

BTW - I should note: my yields, with 2 washes @ 3 min each, no decarb, whole flowers, would yield .5g shatter from 3.5g prime nug run pretty consistently. Usually split about .3/.2 between first wash and second, with the second wash always being "cloudier" than the first. I recently got an...

@2clicker - I am fascinated with the dry ice approach though. I've got this on my amazon wish list: http://www.amazon.com/dp/B009AQURTE/ ( and this to go along with it: http://www.harborfreight.com/1-1-4-quarter-cubic-ft-compact-cement-mixer-91907.html ). I'll bet it would be stupid simple to...

I'm interested to hear how this turns out. I also happen to live in a wonderful, sunny, mountainous state where I can drive down the street and buy kief at $15/g from my friendly neighborhood dispensary - so if the kief route pans out, I may start just stocking up on bags and bags of kief...

@2clicker - what do you mean specifically when you say "dry ice run"? Do you mean throwing some dry ice in a bucket with some bubble bags and dry sifting the kief off? Seems like yields would be much lower than what I could get by putting the entire plant in the solvent. Unless I'm missing...

Oh yah, I forgot to mention: I never discard the left over plant material after my runs, I always drop them back in a mason jar with some more everclear and let it soak for a few weeks to pull the remaining oil, CBD's, and other material into tinctures. So this is partly why I decarb sometimes...

Hey guys - I've been working from the Skunkpharm instructions and been attempting some good old grade school experiments. (I even busted out a composition book). I've been experimenting with testing different techniques against each other and yields / taste / etc.. I started out with super...