The PF Tek method is a popular and effective technique for growing Psilocybe cubensis mushrooms at home. It offers a simple and accessible way for beginners to cultivate their own magic mushrooms. The method involves using sterilized substrates such as brown rice flour, vermiculite, and water, combined with spores of mushroom mycelium. By following the steps below, you can successfully grow your own psychedelic fungi.
Vermiculite is another essential component of the PF Tek. This naturally occurring material has excellent absorbent qualities, allowing water, air, and nutrients to penetrate the substrate effectively. It can be purchased separately, and you’ll need it for the next steps.
To begin, you’ll prepare the jars for the BRF cake mixture. Use wide-mouth mason jars, which make it easier to remove the fully colonized cakes later. Modified lids with filters and injection ports are necessary to ensure fresh air exchange and minimize contamination risks.
Next, prepare the BRF cake mixture by combining two parts vermiculite, one part brown rice flour, and one part water. Gradually add the water to achieve the right moisture content, referred to as “field capacity.” The substrate should clump together when squeezed without excess water dripping from it. Proper moisture content is crucial for successful colonization.
Fill each jar with the BRF cake mixture, leaving some space at the top. It’s optional but recommended to add a shallow layer of dry vermiculite on top of the mixture for extra protection against contamination. Seal the jars with lids and cover them with aluminum foil, ensuring a tight seal around the rim.
Now it’s time to sterilize the jars. Place them in a pressure cooker, ensuring the water level is no higher than halfway up the jars. Sterilize for at least 90 minutes at 15 PSI. Allow the pressure cooker to depressurize and cool completely before opening.
Once the jars have cooled down, you can inoculate them with liquid culture or spore syringe using aseptic technique. It’s essential to work in a clean environment, preferably using a flow hood. If unavailable, choose an enclosed space with minimal airflow, such as a bathroom. Inject a few CCs of the chosen culture into each jar’s four holes in the lid, cover the holes with micropore tape, and sterilize the syringe between each jar.
After inoculation, the jars need time to fully colonize. This process can take around 2-4 weeks, depending on various factors such as mushroom type and environmental conditions.
Once the BRF cakes are fully colonized, they can be birthed from the jars and placed into a fruiting chamber. Dunking the cakes in clean water for up to 24 hours and rolling them in clean vermiculite can help rehydrate them.
Maintain proper humidity levels in the fruiting chamber using methods like a mini-greenhouse, spraying the walls, or using a humidifier. Within 3-14 days, the cakes will start forming primordia or pins, which will develop into mushrooms. Harvest the mature mushrooms carefully, leaving the cakes intact for future flushes.
The PF Tek method offers an estimated timeline of 4-8 weeks or more, from preparation to harvest, depending on various factors. Remember that these time frames are approximate and can vary.