Collection: Substrates and Organic Grains
Looking for the best substrate for your mushroom cultivation? Look no further than Spencer's Shroomery! Our sterile grain bags are made with Regenerative Organic Certified grains, sourced from a family farm right here in Arizona. These heritage grains are completely organic and free of chemicals like fungicides and pesticides, and the farming method used to grow them supports soil health.
Our grain bags are guaranteed sterile and include an injection port, making them ready to use with liquid culture. With Spencer's Shroomery, you can trust that you are using a high-quality, clean substrate that will support the healthy growth of your mushrooms and support the health of the soil.