4lb Sterilized Rye Berries

Prepared with premium, nutrient-rich grain and sterilized for guaranteed cleanliness, these bags are the perfect foundation for mushroom cultivation. Each 4 lb bag comes equipped with a filter patch for optimal gas exchange, ensuring a contaminant-free environment for rapid mycelium growth. Ready to be inoculated with liquid culture or spores, these generously sized bags provide consistent results and are ideal for both beginners and experienced cultivators looking to scale up their mushroom production.