The slow cooker decarboxylation method takes far longer than a traditional cannabis decarb, but, this method can become very convenient for those who want a ‘set-and-forget’ decarboxylation method. In addition, the smell is hardly noticeable from this method of decarboxylation.
Why do you Have to Decarboxylate Cannabis for Edibles?
Decarboxylation, or decarbing, is an essential process in making cannabis edibles. Cannabis is not psychoactive in its raw form and this process ensures that valuable cannabinoids, such as Delta-9 THC, are properly activated. In addition, the process of decarboxylation also prepares cannabis for bio-availability, a process that allows cannabis to have an effect as an edible substance. Learning how to decarboxylate cannabis will become an essential foundation in any cannabis consumer’s knowledge.
Decarboxylation is the scientific process that takes place when cannabis is exposed to heat. In scientific terms, decarboxylation refers to a reaction of carboxylic acids that remove a carbon atom from a chain of atoms present within a plant such as cannabis. When heat is applied to cannabis, it will remove a carboxyl group from the THCA cannabinoid (non-psychoactive) and creates the psychoactive Delta-9 THC. Decarboxylation also occurs when cannabis is smoked or vaporized.
Equipment Needed for Slow Cooker Decarboxylation
- Slow Cooker
- Mason Jar
- Thermometer (Optional)
As you can see, once you have a slow cooker and jar, you are ready to go. This is perhaps the most simple decarboxylation method available.
Method for Slow Cooker Decarboxylation
- Grind your cannabis coarsely (not a full grind)
- Place cannabis into your mason jar
- The cannabis should take up approximately 1/4 to 1/2 of the jar
- Fill the slow cooker with water to at least halfway
- Set to high (High = approximately 210 degrees Fahrenheit/ 98 Degrees Celsius)
- Place the lid on the mason jar tightly and place into the water gently
- If needed, top up the water in the slow cooker
- Set a timer and simmer in the slow cooker for 4 hours – some slow cookers will turn off automatically after a timer is set
- Check on the decarboxylating cannabis every 90 minutes or so to ensure an appropriate water level
- Once 4 hours has passed, remove the mason jar from the slow cooker and set aside to cool
- Do not remove the lid until the decarboxylated cannabis has completely cooled.
- Some of the water may evaporate during the process, ensure that the water does not get too low
- The slow cooker does not need to be covered, however, it is best to cover if you are leaving the house as not as much water will evaporate
- After two hours, remove the jar from the water and lightly shake to ensure all of the cannabis is being heated efficiently
- Remove the lid ONLY when the jar has cooled entirely
Other Methods of Decarboxylation
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