Substrate

Our Master's Mix Bulk Substrate is a premium blend of 50% hardwood pellets and 50% soy hull pellets, providing the ideal nutrient-rich growing medium for a wide variety of gourmet and medicinal mushrooms. This versatile substrate is perfect for cultivators producing species such as Lion's Mane, Oyster, Chestnut, Pioppino, Shiitake, and more.

Made from high-quality ingredients and ready to hydrate and sterilize, our Master's Mix is trusted by both home growers and commercial cultivators for vigorous mycelial growth, healthy colonization, and consistent harvests. Whether you're producing a few bags or scaling up your operation, this substrate is the foundation for successful mushroom cultivation.