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I use 17 lbs of corn sugar, 5 gallons of water, and one packet of classical Turbo Yeast, for a 20% ethanol wash. I tweak the Ph to optimize it with citric acid. I purchase the supples at F.H. Steinbart, 234 SE 12th Ave, Portland, OR 97214. Fermintation takes about a week. I strip the wash...

Naphtha is not a product, but a boiling point range, which includes Benzene, a known carcinogen. Light naphtha boils between 30C and 90C, with Benzene boiling at 80C. For a non-polar extraction, I prefer to use Pentane, Butane, or Propane.

Yes, you can recover to 190 proof in two passes.

Good point, there is always the dilution solution if you aren't trying to use it as a sublingual. As noted, if you are using it as a sublingual, you need to get the purity of the ethanol to less than 40%. On another note, dielectric constant is used as a measure of polarity, with anything less...

I make my own ethanol from corn sugar and classical Turbo yeast. I use a vacuum still and reach 130 proof with the first pass and add a reflux column to reach 190 proof on the second pass. I've reached 190 proof without the reflux column, but had to make five runs and use mol sieve. Here is...

151 proof is 75% ethanol and sipping whiskey/vodka is only around 40%. If you remove enough alcohol, its percentage of the whole will reach 40%. You only need enough alcohol to keep the oil liquid enough to flow through a dropper. The dark is your oil falling out of solution because of the...

When you inject liquid LPG into the vacuum, it will vaporize and fill the space, so the vacuum doesn't last long.

You have an obvious visual leak. The operating temperature for Buna-n is -40F-150F so I suggest checking your clamp bolt torque and verifying that you have fixed your vacuum decay issues. As far as blowback, your vacuum won't last long after LPG injection starts, sooo how will new LPG liquid...

Do you have a gauge on your column, so that you can check it for seal integrity and vacuum decay before adding the LPG? What material are you using for your seals? Does it go everywhere immediately or does it first flow into the column? I've never tried to vacuum a closed blast column, but...

Here are some new tricks with QWISO extraction and refinement: Cannabis Home Sciences - RSO 2.0 2022 Home Page

Not cheap, but it works and it doesn't require a lot of glass ware to pay for a tube.

I know you can salt out Isopropyl, but not sure about ethanol. I'll do some research and get back. Azeotropic ethanol and water is around 95.5% unless under vacuum. A vacuum pot still will typically reach about 130 proof the first run and I only reached 180 proof with five runs. I used 5A...

Good job recovering! If you want to recover using less heat, you can pour it out in a casserole dish with a cloth dust cover and let the alcohol evaporate away, before sticking it in the freezer to harden and clump the oil the oil, so that the water can be poured off. Good that you noticed...

After filling the extraction jar 3/4 full of trim, I add alcohol until it is about an inch over the trim. A litre bottle does around 1.3 to 1.5 litres of trim by that method

Do you valve off your extraction line before shutting off the pump? The cream-colored liquid is water, concentrate, and aromatic hydrocarbons (terpenes). What percent alcohol did you use?

Oral also works on some pain.

I haven't seen much pain relief from smoking, but oral or topical meds high in CBD will ostensibly provide the best pain relief. We grew Harlequin and Cannatonic for that purpose, but there are a lot of new high CBD strains out there...

It is both stable as a double boiler, and you can't heat water to 250F unless it is under pressure.

You're welcome! Pleased that it was of use to you. Bon appetite!

Hee, hee, hee................... Donated to the project by a fan.