Hash oils or cannabis concentrates are very popular. Many cannabis users prefer dabbing over smoking or vaping cannabis e-liquids. QWISO extracts or quick-was isopropyl is another method to extract cannabinoids and other compounds such as terpenes and flavonoids. Cannabis concentrates are basically extracts that contain only the active or “effective ingredients”.

There are many methods for making high-quality extracts. The most common ones are butane hash oil (BHO), propane hash oil (PHO), ethanol hash oil (EHO) and CO2 cannabis extracts. QWISO is also known as isopropyl hash oil and quick-wash hash. QWISO is similar to other extraction methods, but instead of using ethanol, butane, or propene, it utilizes isopropyl alcohol to separate trichomes from the plant material.

How is QWISO Made and What is it?

QWISO is another cannabis extraction method. Isopropyl alcohol is a common ingredient in many household products such as disinfectants, detergents, and antiseptics. Isopropyl alcohol is used to extract cannabinoids in a similar way as ethanol. However, QWISO or isopropyl cannabis extraction contains more toxic substances than ethanol (ethanol does not contain any toxic substances).

Both techniques are very similar, but as mentioned above, ethanol is safer that isopropyl alcohol. Once we use alcohol as a solvent, we will also extract other water-soluble substances such as chlorophyll.

Quick Wash Process

The process is very simple, you will need to place the cannabis buds inside a jar and the bottle of isopropyl alcohol (separately) in the freezer. This allows the trichomes to separate much easier from the plant material. After a few hours, take the cannabis buds and the alcohol out of the freezer and pour the alcohol inside the jar that contains the cannabis buds.

Next, you will need to close the lid and shake the jar for at least 30 seconds. This process is what we know as QWISO or “quick wash isopropyl”. This shaking process is enough to extract the trichomes. Don’t shake the jar for more time than 30 seconds as otherwise you will extract more chlorophyll and chlorophyll will give the oil a harsh taste.

Pouring the Mixture

Now you will need to get rid of the plant material. You can do it with coffee filters. Place the coffee filters over the jar and start pouring the solution. This process can take several minutes so be patient!

Get Rid of the Alcohol

Now we got our solution without the plant material, however, this solution still contains isopropyl alcohol. For this step, you will need a flat surface where you can pour the solution. Isopropyl is very volatile so it will evaporate without heating up the solution. The evaporation can take between 12 to 24 hours, so you better find a ventilated area. Remember that isopropyl is flammable! You can also set a fan to blow into the solution to help in the evaporation process.

Finally, once the alcohol has been evaporated, you need a razor blade to scrape the surface. Then, drop the oil into a storage container to preserve it.

How to Use QWISO?

The best way to use QWISO extracts is with dab rigs or e-nails. These devices are designed for the evaporation of cannabis concentrates. Dabbing is an excellent way to vaporize and inhale cannabis concentrates.