5 lb Sterilized Brown Rice Grain Spawn Bag with Injection Port – Ready-to-Inoculate

5 lb Sterilized Brown Rice Grain Spawn Bag with Injection Port – Ready-to-Inoculate

Jumpstart your mushroom grow with our pre-sterilized grain spawn bag, filled with 3 pounds of premium brown rice grain and equipped with a self-healing injection port and 0.2-micron filter patch for optimal colonization and contamination prevention.

Ideal for beginners and experienced cultivators, this all-in-one solution eliminates the mess and guesswork of preparing your own grain.

Product Features:

• 🍚 Filled with 5 lbs of hydrated, sterilized brown rice grain – clean, nutrient-rich, and ready to use

• 💉 Self-Healing Injection Port – for safe and easy liquid culture inoculation

• 🌬️ 0.2-Micron Filter Patch – allows fresh air exchange while blocking contaminants

• 🔥 Autoclavable, Durable Bag – heavy-duty polypropylene withstands pressure and heat

• ✅ No Prep Required – just inoculate, incubate, and watch your mycelium thrive

How to Use: Shake the bag to loosen grain. Sanitize the injection port area with alcohol, inject 3–5 mL of liquid culture, then incubate at 70–78°F. Full colonization typically occurs in 10–21 days.

Perfect for growing gourmet or medicinal mushrooms at home or commercially—convenient, clean, and grow-ready.