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We typically purged in less than 4 hours at 115F.

I would have to see it to comment, but the solvent leaves relatively fast, so doesn't require hours/days. You might try raising your temperature some to speed it up. I typically stay under 115F.

The small bubbles that you continue to see are CO2 bubbles from decarboxylation. Try stopping once the big solvent bubbles stop.

I suggest using a micron or inch/hg gauge for more accuracy, but you are in the ballpark. How fast can you pull down? What size oven do you have and what size pump? How old is your trim? If naturally partially carboxylated, or high in terpenes, it will remain soft. Running it an extended...

Do I understand that you wish it to be more brittle versus pull and snap? Retained terpenes and decarboxylation will both lower the viscosity. What temperature and vacuum level are you running?

Soxhleting with a polar solvent like ethanol extracts boatloads of non-targeted undesirables like chlorophyll that are not easily removed. I suggest using QWET with ethanol. If you can do it at -30C/-50C you can avoid the water solubles and molecules larger than C-22 like waxes, carotene...

What are you calling stabilizing? What consistency is it now and what do you covet?

If you are going to Soxhlet, I suggest using pentane or hexane, rather than alcohol. If you use alcohol for the first extraction and hexane polish, there is no need to distill off the alcohol first. Just mix the alcohol, hexane, and brine together and after shaking and settling, bleed off the...

PS: The product picture reflects the "Cotton Candy" recovery process, by which the LPG is recovered to the "blurpy" stage and then the high vacuum pump is turned on, which expands the oil into foam. Bubble walls are the thinnest possible wall thickness from which to purge, so the material...

What method did you use to flood from both directions? At subcritical pressures, Butane does a better job extracting the targeted elements than Propane, but has no pressure below 0C. Propane adds that pressure. Propane is also typically used in SCFE systems. Some systems use butane at...

How long it takes to flood the column, depends on the size of the column. The WolfWurx Mk IVC or VC both take about 45 seconds to flood a 4” X 36” column. The way we measured three volumes, was to time when the LPG overflowed the top of the column, and continue to flood twice that long for the...

At 1.5 lbs of ground material in a 302 cubic inch column, your packing density is only around 2.25 grams per cubic inch, which is light and promotes channeling. At 2 lbs, your density would be 3 grams per cubic inch, which is still lighter than we packed our columns. We packed ground material...

Is the inner column 4” or is that the size of the jacket. With ground material, I typically get around 4.1 grams per cubic inch of column volume, so a 4” X 24” should hold closer to 2.5 lbs. Your system is also a top flood, so unless it also has a shower head on top, with a 4” column you are...

What are your column and collection tank dimensions? Hard to tell from a picture, but it looks like a 2" X 24" column, which would hold less than a pound of material. I infer your system is larger. You said your system was active, but the one in the picture has no pump. Does your system have...

May we see a picture of your system? I typically run three column volumes through in one shot. Is your collection tank big enough to hold three column volumes?

Choices include mechanical separation (tumbling/dry sieve), Rosin, polar extraction (QWET/QWISO/QWAT), non-polar extraction (BHO), and vegetable glycerin, as well as oils and fats. Yield depends on the starting material, but for typical bud is around 18 to 25% by weight and about half that for...

How much vacuum are you able to pull?

What process used to extract?

It is the material column. It works by filling that horizontal tube with material and LPG and vibrating it. The design insures no trapped air or vapor. It works the same as a bottom flood, which accomplishes the same thing, but horizontal is easier to operate.

You run it just like it sits. You open the valves and inject in the 1/8" hole on the left side, until it flows out the right side when the column is full, and then close the valves and turn on the vibrator. The 90's allow it to operate horizontally, and insure a full column.