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Good job! With Syringe it seems optimal! Yes mix it with USP Propylen Glycol it's ok, PEG 400 i've tried but not ok with taste but have heard there's various form of PEG 400 (Macrogolum?!) and not so easy to find it. And now i stay with PG.. Ratio.. Yes dependind the % of your CBD gold but from...

Hi CosmicBandit, thank's for your post! Ok nice work with Syring filter! I think you will have good results.. but it's not very slow and hard to press it? Never tried it.. And i have a big amount to filter.. like 200 grammmes oil every week.. in project.. Now just finish to winterize (3weeks...

Thank's all I'm (still..) waiting for a 2micron filter and will use a vaccum pump and erlenmeyer to see what happend.. Pros of this CO2 oil is CBD contain.. My hemp is 2% CBD, 0.5% THC and if i want a big amount of CBD 20% for exemple is ok, but 5% THC is too high (Switzerland law is max THC...

maybe needs big shoot of CBD..lol Those CO2 extracts are made with entire hemp plants, leaves.. The amount of waxes and chloro are high and those CBD oil productors could made better quality (taste essentially) oil making only buds extraction. My project is CBD eLiquid and the taste is what i'm...

Hi dude, thank's for your post! can't understand what you mean.. specific temperature of what? CBD boiling point is more less 350F.. What you mean with CBD fraction? And depending CO2 extracts, i've already made some gold oil, with certainly up 80% CBD.. Depending the quality of that CO2...

Ok finish winterizing process - ethanol 95% denatured isopropanol 5% ,ratio 10-1, -25°C, 52 hours, filtered with buchner 10 microns coffee filter or whatman1 on vacuum (with pression of water system) and the result was not perfect, not much better than with isopropanol for my opinion with this...

Thank's guys for yours quality explanations!! sorry for my swiss cheese english:grin:

Have heard everclear more safe than isopropanol..but msds health scale said respectly 2 and 1.. http://www.sciencelab.com/msds.php?msdsId=9923956 http://www.sciencelab.com/msds.php?msdsId=9924412

Yes QWET would be perfect but we have 10 kilo every 6 weeks buds hemp to extract..trying now to extract with a solvant recovery system..it work well and decarb too..and the good taste oil nothing compare to CO2 bad taste and full fats and green oil...But the CO2 oil is buyed in Europe and ratios...

Ok, thank's, but will the final result be the same? The ploarites arent same and i would know what solvent take off minimum waxes and chlorophyl for best results

Thank's! Ok and it's everclear better than isopropanol to extract cannabinoids from buds? what solvent will extract less of chlorophyl and waxes?

Ok thank's! I can buy 95% ethanol mixed with 5% isopropanol it's ok? ...or 99.9% methanol. Methanol make me afraid without Rotavapor.. Are the vaps and the potent residuals more dangerous?

Hi, Ok thank's. What´s the right amount of isopropyl 198 proof i have to mix with 20g of this so fat oil befor i put in the freezer ? 3 parts of isopropyl and 1 of oil, is that enough? After48h -18°F freezing, the solution is still too fat to bee filtered..

Im trying to make eLiquid and im going to mix that pure CBD oil after winterized it with propylen anyway (still some hesitation with PEG400) can i direct winterize that fat oil with propylene into freezer? Ive just put right now a little jar with PG and fat CBD oil mixed to see whats happend...

Ok thank's, there is some major différences between coffee filter (10-15ul) and whatman#1(10ul)? And ok for the speed up and i will separate various little jar in freezer to have it at coldest when filtering.. Thank's a lot

Thank's!! Ok but it's difficult to do that inside the freezer.. How cold i have to keep the solution i want filter with the vacuum method?

Hi guys, I'm trying to winterize CO2 CBD oil (20%CBD 1%THC). This oil have many waxes. So i've tried to winterize it (48h, -20ºC ) and coffee filter it. But so many waxes keeps in the filtered solution. Do i winterize it more and more times until it is clear? Im looking for infos about...