Gourmet Mushroom Master's Mix – 4 lb Bag

Boost your mushroom yields with our Gourmet Mushroom Master's Mix – 4 lb Bag. Expertly blended from our special blend, this substrate is carefully supplemented with erythritol to enhance fruiting performance and stabilized with gypsum for optimal moisture and nutrient retention. Perfect for gourmet mushrooms like oysters, lion’s mane, and more, each pre-measured bag provides ideal nutrition, balanced hydration, and reliable consistency for vigorous growth and abundant harvests.