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12-Pack Sterilized Popcorn Grain Spawn – 1 lb Bags with Injection Ports:
Maximize your mushroom-growing potential with this 12-pack of sterilized popcorn grain spawn bags. Popcorn grain provides large inoculation points, making it a top choice for fast, uniform mycelium expansion. Each 1-pound (1-quart) bag is fully hydrated, lab-sterilized, and ready to use, giving you a reliable and effective substrate for gourmet mushroom cultivation.
Each bag is equipped with a self-healing injection port, making inoculation with liquid culture or spore solution simple and contamination-free. The 5-micron filter patch allows for proper gas exchange, ensuring a healthy growing environment.
Perfect for large-scale grows, grain-to-grain transfers, or bulk substrate spawning, this 12-pack provides the consistency and performance needed for successful cultivation.
Out-Grow is committed to delivering high-quality mushroom substrates for both hobbyists and commercial growers, helping you achieve healthy, high-yield results with ease.
