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Unfortunately, winterization does not remove chlorophyll.

Several times in their articles of concentrates I met different errors and absurdities that lower the credibility of the publication. This very specific topic requires a competent scientific editing. Imo, They ought to invite SPR as a permanent consultant.

Passive or "natural" evaporation is perfect for those who agree to the presence of a background flavor of ethanol in a bouquet. When ethanol is evaporated without heating and vacuum, the resin film, or "skin" is formed on the evaporating surface, which slows and stops the evaporation of...

Fresh off the vine gives better quality, but requires more solvent because of the large volume of raw material. During drying the volume of material is reduced by 4-5 times, and the extraction process becomes more compact.

Will you explain this please?

What do you think is wrong? Even the short description should emphasize that a thermos or a jar filled with butane can not be put in the refrigerator and can not even bring in the room. Filling and soaking carried out only outdoors. In the freezer butane can only be in original packaging.

Observed thin-film interference speaks only about the thickness of the resin film and is not associated with the presence of a solvent.

I did not notice the difference in color between the 30 minute and 2 hours.

https://www.rollitup.org/concentrates-extracts/768428-how-do-i-make-kief.html#post10007259 <<-- click to read the comments about the origin of the chart.

In simple terms, non-polar solvents are water-immiscible, polar solvents are miscible with water.

I try not to exceed 40 mg in a single dose. Otherwise, tolerance grows rapidly.

Decarboxylated absolute (dewaxed BHO) and its reclaim does not alter the taste of chocolate. But for pastries such purity may seem redundant. For baking, I would decarboxylated grass in the oven prior to extraction. THC extracted easier than THCa, less oil remains in oil cake. In this case...

The liquid butane under pressure, the glass extractor. Not lucky, if you accidentally drop it on the floor. I would prefer a metal with insulation. @ Fadedawg - Seems this could be detachable part of passive terpenator?

Better to use 190 proof, and not 151 as in the video (10:10). If ethanol is poured into the liquid butane before installation in the freezer, make sure that the solution temperature has not fallen below the boiling point of n-butane. Better and safer to wait until the butane to evaporate...

Duration depends on the temperature. In a thermos with butane at -20°C / -4°F 50% of the resin is extracted for a half-hour, 70% extracted for the hour, 90% will require approximately two hours.

Perfect AA !

Great! I like the original name of this product - Absolute Amber. :D

I love it when they glow with inner light.

-No. -EtOH, shorthand often used by medical professionals for ethanol, or drinking alcohol (i.e. EtOH withdrawal). (wiki)

Blue letters in my post are the clicky link to the description.