March 9, 2018 NimBlog No Comments

G’day from your friendly NiMBiN budtenders! This week we would like to share with you an easy way to make your own (Rick Simpson Oil), most commonly referred to as RSO.  RSO is a concentrated form of cannabis oil made from one pound of good plant material and food grade alcohol. RSO is said to have many health benefits when taken orally or used topically.

Below is a DIY RSO recipe for those who would like to take their experimenting to the next level.

Note: This recipe will produce the full 60 grams of oil. If you’re looking for a smaller batch, you can easily divide the recipe into smaller amounts. For example, one ounce of cannabis will produce 3-4 grams of RSO.

What you will need:

~ 1 pound of dried cannabis material (indica strain)

~ 2 gallons of solvent – 99% isopropyl alcohol (can also use butane, ethanol, or other solvent)

~ 5-gallon bucket

~ A deep bowl

~ Wooden spoon for stirring

~ Cheesecloth

~ Rice cooker

~ Plastic catheter tip syringe (60ml)

  1. Place dry cannabis material into the 5-gallon bucket and pour in the solvent until the plant matter is covered.
  2. Stir and crush the plant material with your wooden spoon while adding the solvent to your mixture. Continue stirring the mixture for about three minutes while the THC dissolves into the solvent. This will dissolve about 80% of the THC into the solvent.
  3. Drain the solvent from the plant material into your bowl using the cheesecloth. Place the plant material in the bucket and add more solvent. Continue stirring for another three minutes.
  4. Drain the solvent from your plant material into your bowl using the cheesecloth and discard the remaining plant material.
  5. Transfer your solvent to your rice cooker until it is about ¾ full and turn on your rice cooker.

Note: While you don’t necessarily need a rice cooker, if you’ve never made RSO before, rice cookers are exceptionally useful for maintaining a slow, steady temperature. If your mixture heats above 300 degrees Fahrenheit (148 degrees Celsius), the cannabinoids will cook off and the RSO will be unusable. It is not recommended to use a Crockpot or slow cooker, as this may overheat your mixture.

Make sure your rice cooker is in an open, well-ventilated area, and avoid all flames, stovetops, sparks, and cigarettes, as the solvent is highly combustible.

  1. The rice cooker should maintain a steady temperature between 210 and 230 degrees Fahrenheit (100 to 110 degrees Celsius), the correct heat setting for decarboxylation to occur.
  2. As the rice cooker heats up, the solvent will slowly evaporate. Continue to add your mixture to the rice cooker gradually.
  3. Once the solvent has evaporated, siphon the oil into your syringe for easy dosing. The RSO will be thick, so if you have trouble dispensing it, run the syringe under hot water and the RSO mixture should dispense with ease.


Now that you have created you own RSO, don’t hesitate to experiment with it. RSO when used medically has been known to help with pain, appetite and much more. You can also use ROS to infuse your own edibles.