How to Make Grain Alcohol FECO Oil: A Step-by-Step Guide

How To Make Grain Alcohol Feco Oil, FECO (Full Extract Cannabis Oil) is a potent cannabis concentrate known for its high levels of cannabinoids and terpenes. One popular method for creating FECO involves using grain alcohol, which effectively extracts the beneficial compounds from the plant material. In this guide, we’ll walk you through the process of making grain alcohol FECO oil safely and efficiently.

What You’ll Need:

  1. High-proof grain alcohol (such as Everclear)
  2. Cannabis (decarboxylated for better cannabinoid activation)
  3. Glass jars with lids
  4. Fine mesh strainer or cheesecloth
  5. Coffee filters
  6. Double boiler or rice cooker
  7. Syringes or small storage containers

Step-by-Step Instructions:

1. Decarboxylation:

  • Preheat your oven to 240°F (115°C).
  • Break up your cannabis into small pieces and spread them evenly on a baking sheet.
  • Bake for 30-40 minutes, stirring occasionally. This process activates the THC and CBD in the cannabis, making it more effective in the final oil.

2. Preparing the Alcohol Extraction:

  • Place the decarboxylated cannabis in a glass jar.
  • Pour enough grain alcohol over the cannabis to submerge it completely.
  • Seal the jar tightly and shake it vigorously for a few minutes to mix the cannabis and alcohol thoroughly.

3. Extraction:

  • Let the jar sit in a dark, cool place for 24-48 hours, shaking it occasionally. The alcohol will extract the cannabinoids and terpenes from the plant material.
  • After the soaking period, strain the mixture through a fine mesh strainer or cheesecloth into another glass jar to separate the plant material from the liquid.
  • For a cleaner extract, filter the liquid again through coffee filters into a clean jar.

4. Evaporation:

  • Set up a double boiler or rice cooker. If using a double boiler, fill the bottom pot with water and bring it to a gentle boil.
  • Pour the filtered liquid into the top part of the double boiler or directly into the rice cooker.
  • Heat gently to evaporate the alcohol. This step should be done in a well-ventilated area or outdoors to avoid inhaling alcohol fumes.
  • As the alcohol evaporates, the liquid will reduce and become thicker. This process can take several hours.

5. Collection and Storage:

  • Once all the alcohol has evaporated, you’ll be left with a thick, sticky oil.
  • Using syringes or small storage containers, transfer the FECO oil for storage. Syringes make it easier to measure doses accurately.
  • Store the FECO oil in a cool, dark place. It can also be refrigerated to extend its shelf life.

Tips for Safety and Success:

  • Ventilation: Always work in a well-ventilated area or outdoors when evaporating alcohol.
  • Temperature Control: Avoid using open flames or high heat sources, as alcohol is highly flammable.
  • Quality Control: Use high-quality cannabis and grain alcohol to ensure the best results.


Making grain alcohol FECO oil at home can be a rewarding process, providing you with a potent and versatile cannabis concentrate. By following these steps carefully, you can create a high-quality product that can be used in various ways, from sublingual administration to infusion in edibles. Always remember to start with small doses to gauge your tolerance and consult with a healthcare professional if you have any concerns.

Enjoy your journey into the world of cannabis extraction and the benefits of FECO oil!

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How to Make Grain Alcohol FECO Oil: A Step-by-Step Guide

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