Cannabis Extracts and Concentrates - Page 3

How to vacuum purge BHO?

BHO extractions are becoming more and more popular today. In this Blog, we have already seen different BHO extractors and explained their functioning and advantages and disadvantages when making marijuana oil.

In this post we will focus on how to purge the solvent from this appreciated liquid gold, which offers us new experiences and opens new horizons in the world of marijuana concentrates and their recreational and medicinal uses.

Once the BHO extraction (with purified butane gas) is done, we have to purge any remaining trace of butane present in the extract. First, we will make a light purge with a bain-marie (water bath). During this process, we can observe how a large number of bubbles are formed and then burst, releasing the gas retained. In this first purge we remove an important amount of gas from our BHO, but it is not enough to get a marijuana oil 100 % clean of impurities.

In these pictures you can see the steps followed before the vacuum purge, so you can see the state of the BHO after this first and important bleeding performed with bain-marie (water bath). Always purge the gas next to a window or directly in an open area.

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Hashish, as we all know, is a by-product of the cannabis plant. It?s the concentration of resin glands that are attached to the cell walls of cannabis buds.

There are different cannabinoid extracting methods, either with dried - like Dry Sift or Water Hash - or fresh plant material - Nepali Charas, Fresh Frozen. In this way, several resin extraction methods have been created depending on the needs and preferences of growers who want to enjoy their own creations for personal use.

In this case we present you a resin extraction method using Co2 - also known as dry ice - a technique derived from the classic dry sieving method.

Preparation and needed materials to make hashish with dry ice

Before getting started, you should prepare all the needed tools for the extraction with dry ice. We don't need much stuff to make extractions with CO2, although quality materials are always necessary for best possible results.

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Making bubble hash

Before attempting to make the best possible ice water separation, we should study a bit of theory that will help us to better understand the process of removing resin glands. The Alchimiaweb team wants to make things easy for you, so you can read the theory in our post about dry sift hash.

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What is Red Bubble Glass?

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How to make homemade dry sift?

Dry sift or kief is the result of mechanically removing the resin glands from the plant by sieving them with screens of different sizes, without any kind of solvent.

The first thing we should know before trying to make the best possible dry sieved trichome separation is what types of trichomes we can find. As the plant ripens, trichomes segregate higher amounts of cannabinoids and terpenes. The three types of trichomes found have several features in common; they have a gland where cannabinoids and terpenes are segregated, a group of cells that attach the gland to the stalk, and the stalk itself, which joins the gland to the plant tissue. Let's make a brief description of each of them.

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What is a marijuana extraction or concentrate?

Although there is some controversy regarding the use of the term "extraction" when applying this concept to solventless concentrates - since some people claim that it should be called "separation" when no solvents are used - broadly speaking a cannabis concentrate is a product derived from removing resin glands - trichomes - from the green matter. These kind of cannabis-based substances have been manufactured and used for the past centuries, achieving stronger effects than the dried buds and also being very much easier to carry and trade than weed.

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This article was published in March 2015, when very few people knew about this extraction method. Before yelling at us in the comments section for pressing flowers with hair straighteners...please keep that in mind! ;)

What is Rosin Hash?

Recently, a solventless separation technique is attracting more and more followers for both the easiness and low cost of the method and the quality of the final product. We are talking about Rosin hash, a concentrate obtained from separating the resin from the green matter through heat and pressure.

We'll make a demonstration of this technique so you can see how easy it is, and the excellent results that we can obtain if we do it correctly, a top-grade concentrate, 100% dabable and with a taste pretty similar to BHO .

How to make Rosin Hash

To make this cannabis concentrate we need the following materials:

• A few buds
• Slick Sheet or parchment paper
• A hair straightener
• A razor blade, needle or something similar

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