How to Decarb Your Weed to Make Edibles

By Liam Noonan - 11/29/22

In order to make cannabutter or oil for homemade edible, you need to start by decarbing your weed flower. Decarboxylation is required because it’s the process that activates the psychoactive compounds in cannabis so that you can get a high from the THC. 

If you don’t decarb your weed before consuming it, you won’t get baked. Continue reading to learn more about what decarboxylation is, why it’s necessary for edibles, and how to do it at home using a few different methods. 

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What is Decarboxylation? 

As mentioned above, decarboxylation is the chemical process that activates the psychoactive compounds in weed.

In other words, a nug straight off the stem contains THCA that needs to be converted into THC. The most common way to convert THCA into THC is through heat. This is exactly what you’re doing when you heat up and take a rip from your dab pen or torch a bowl. To get a little more scientific, the THCA in weed has an additional carboxyl ring withing its chemical structure. The application of heat gets rid of that ring, or decarboxylates, the chemical compound.

 When vaping or smoking there’s enough heat to instantly decarb the THCA compounds in weed and get it ready to absorb into your lungs. It’s also possible for some decarboxylation to happen overtime as your weed is cured and dried after harvest. 

How Temperature & Time Effect Decarboxylation

Proper weed decarboxylation typically occurs between 200-250ºF. It’s important to keep in mind that the various cannabinoids and terpenes found in cannabis react to varying levels of temperature. These compounds can be activated, changed molecularly, or even destroyed when cooked at different levels and amounts of time. 

When it comes to decarboxylation, the key is to go low and slow at around 230-240ºF. This allows you to activate the most THC without destroying the other precious cannabinoids and terpenes. You can read more about how fast THCA breaks down into THC, and CBDA into CBD, at different temperatures in this 2016 study

The temperature at which diffent cannabinoids activate. Image credit to I Love To Homegrow

How to Decarb Your Weed in the Oven

Materials Needed

  • Oven
  • A baking sheet
  • Parchment paper or aluminum foil
  • flower
  • weed grinder (can be hand ground)

Directions

  1. Preheat the oven to a temperature of 235ºF
  2. Line your baking sheet with parchment paper or aluminum foil, and grind up your desired amount of bud. Make sure not to grind your flower too fine as this will increase the chances of it burning during the baking process. 
  3. Place the baking sheet in the oven for approximately 35 minutes. You can also use a lower temperature for a slightly longer period of time to better protect and preserve more terpenes if desired.
  4. Once done, remove the sheet and let it cool down for 25 minutes at room temperature. Your weed should now look very light toasted/roasted and feature a golden-brown color. 
  5. As soon as it is cool enough to handle, you can infuse you newly decarbed weed to make cannabutter or oil for edibles.  
  6. If you don’t want to infuse the decarboxylated weed just yet, you can store it inside an airtight glass jar in a cool and dark place until use. 
  7. We recommend using your decarbed weed or cannabutter/oil within 3-6 months to avoid risking some degradation of the THC. 

Watch this video for a step-by-step guide to decarbing weed in the oven. 

Our 3 Favorite At-Home Decarboxylation Machines

1. STX Activation 420 Decarboxylator/Herbal Activator

The Activation 420 Decarboxylator Herbal Activator from STX is one of the most technologically advanced options. It boasts a 120 watt heater that can be controlled with the included thermostat. This allows you to heat your bud to the perfect temperature every time.

We love this decarbing machine because it’s super easy to use and features pre-programmed options to help you get up and running. The container is slightly smaller than other devices as it only holds up to 2 ounces of flower, but we think that’s plenty in most situations.  

Pros:

  • easy-to-use 
  • Pre-programmed decarboxylation settings
  • Constructed with food-grad aluminum alloy. 
  • Odor-free operation

Cons: 

  • Only holds 2 ounces of bud

Price: $129.80

2. Ardent FX Decarboxylator 110V | 3 in 1 Portable Decarb & Oil Infuser

portable decarboxylator product image for amazon

The Arden FX Decarboxylator is the priciest option on this list, but that price is justified by it’s various features. This model is 3-1 meaning it allows you to not only decarb your weed, but it also designed to infuse, bake, and then melt your cannabis for use in oils or butter. Don’t let the variety of features fool you because it’s super simple to use whether it’s your first or 100th time decarbing cannabis. You also pay for quality construction featuring food-grade & BPA-free silicone. 

Pros:

  • 3-1 device to decarb, infuse, and bake
  • Easy one-touch activation
  • High-quality construction
  • Backed by a solid warranty 
  • Holds up to 4 ounces of bud

Cons: 

  • Not the best option if you’re on a budget

Price: $299.99

3. ECRU Decarb Kit | Glass Box Decarboxylator

ecru decarb kit

This decarboxylation machine from ECRU is a high-quality option that doesn’t cost a fortune. This glass box decarboxylator is simple, but it works just as well as any other product on the market. The glass container holds your flower while a lid attached to the main device works to activate the THC. As an added bonus, there are 4 pre-set modes and an easy to use touch screen. 

Pros:

  • easy-to-use 
  • affordable 
  • Touchscreen with handy preset options

Cons: 

  • Slightly less technologically advanced than other models, so it may not have all the features you need. 

Price: $44.57

Cannabis Decarboxylation FAQs

1. Can you decarb weed in a microwave? 

We would never advise trying to decarb your weed in a microwave. That’s because you can’t control the temperature and you won’t be able to heat up the bud low and slow. The dry heat from an oven or specialized decarboxylation machine always work best. You can even use a toaster oven at a low temperature if you’re in a pinch. 

2. Can you decarb weed in a crock pot?  

A slow cooker or crock pot are great options for decarbing your weed and infusing it into cannabutter or oil. Check out this article to find out how. 

3. How Long Does Weed Last After Decarboxylation?

It’s not clear exactly how long decarbed weed lasts, but as long as you store it in an airtight jar or container, the THC should stay intact for at least a few months. If you made your decarbed weed into cannabutter, we recommend sealing it up and placing it in the refrigerator. 

4. Can you turn vaped flower into edibles? 

Yes! If you own a dry herb vaporizer like the Storz & Bickel Mighty or Pax, make sure to save the leftover baked bud in an airtight jar. That’s because this weed has already been decarboxylated and is ready to be turned into cannbutter, oil, tea, or even into capsules as an edible. 

Final Thoughts

Did you use any of the methods or products from above? Feel free to reach out to us at info@stonedroot.com to let us know your thoughts. You can also check out more cannabis industry articles on the Stoned Journal Blog

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