Elevate your mushroom cultivation with Mycelium's premium all-in-one substrate bag. Our expertly crafted blend of sterilized oak, soy hull, and milo grain creates the ideal environment for strong mycelial growth, supporting a wide variety of gourmet mushrooms. Whether you're a home grower or seeking larger flushes, this all-in-one mix is designed for cultivators of all levels. With its superior nutrient balance, you'll enjoy faster colonization and healthier yields. Just add your liquid culture, and watch your mushrooms thrive! (Liquid culture not included.)

Why we love it

Expertly Formulated for Success
Our carefully balanced substrate, made from 50% oak and 50% soy hull, enriched with premium sterilized milo grain, ensures robust mycelial growth for various wood-loving mushroom species. Available in 5 lb or 10 lb options, it’s the perfect choice for all your cultivation needs.

Convenience of Sterilization 
Each bag arrives pre-sterilized, providing a contamination-free environment, so all you need to do is inoculate and watch your mushrooms grow. No complex sterilization is required—just simple, confident cultivation.

Nutrient-Packed Grain
Milo provides a great balance of carbohydrates, essential amino acids, and protein, which help support strong mycelium growth and healthy fruiting. Its nutrient-rich profile gives the mycelium the building blocks it needs for robust development and structure.

Bigger Bags, Bigger Harvests 
Our larger bags provide more surface area and nutrients, allowing for higher yields and multiple flushes. Maximize your harvest potential with our nutrient-rich substrate that sustains longer mushroom growth cycles.

Perfect for Wood-Loving Varieties
Specially formulated to support mushrooms that thrive in woody environments, our substrate accommodates a wide range of gourmet mushroom species, making it versatile and ideal for home growers.