Master's Mix Substrate Bags

50/50 Hardwood & Soy Hull Pellets

Our Master's Mix Substrate Bags contain a perfect 50/50 blend of Hardwood Pellets and Soy Hull Pellets, creating an ideal substrate for mycelium growth. These autoclave sterilized bags are ready to use and are specifically designed for mushroom cultivation. This unique mix provides excellent nutrition, moisture retention, and a robust foundation for a variety of mushroom species, ensuring strong, healthy yields. Each bag is ready for inoculation with grain spawn to get you started on your cultivation journey.

Why Choose Master's Mix Substrate Bags?

• Convenient and Ready to Use: These pre-sterilized bags require no additional mixing or sterilizing. Just add your grain spawn and you’re ready to grow—saving you time and reducing contamination risk.

• Micropore Filter for Clean Air Exchange: Ensures your mycelium gets the oxygen it needs for healthy growth, while preventing contaminants from entering the substrate.

• Versatile for Multiple Mushroom Species: The Master’s Mix blend is perfect for growing popular mushroom varieties, including Oyster mushrooms, Shiitake, and Lion’s Mane, making it a great choice for both beginners and experienced growers.

• Perfect for All Growers: Whether you’re new to mushroom cultivation or a seasoned expert, the Master's Mix Substrate Bags offer a simple, reliable, and effective solution for high-quality mushroom growing.

Start your mushroom-growing adventure with the Master's Mix Substrate Bags—the balanced, hassle-free substrate for healthy, thriving mushrooms!