Whole Oats Grain Spawn Bag — 3lb | Sterilized & Ready to Inoculate

🌾 Sterilized Whole Oats, Ready to Inoculate

Whole oats are a softer grain that hydrates quickly and gives mycelium plenty of surface area to colonize. Our 3lb sterilized whole oat spawn bag is prepped in a professional mycology facility and ready to inoculate the moment it arrives at your door — no sterilization equipment, no prep work, no guesswork.

📦 What You're Getting

• 3lb of fully hydrated, sterilized whole oats — moisture-balanced for mycelial colonization
• Autoclave sterilized in a professional facility to eliminate contaminants before they become your problem

✅ Key Features

• 🌾 Whole oat grain — a soft, easy-to-colonize spawn grain
• 🧪 Professional autoclave sterilization — no contamination headaches
• 💉 Built-in self-healing injection port — clean inoculation without opening the bag
• 🌬️ 0.2 micron filter patch — gas exchange that keeps contaminants out
• 🦄 Unicorn grow bags — a trusted industry standard in polypropylene grow bags
• 📦 Ships fresh — bags are prepared in small batches

🌱 Who Is This For?

Growers who inoculate grain from liquid culture, agar, or spores and then spawn to bulk substrate, and want to try a different grain than rye. Compare grains with our sterilized grain collection, or see our Rye Grain Spawn Bag.

❓ How Do I Use It?

1. Flame-sterilize your needle and wipe the injection port with an alcohol swab
2. Inject your liquid culture or spore solution through the self-healing port
3. Store at room temperature in a dark location
4. Shake or break up the grain once partial colonization is visible
5. Once fully colonized, transfer to your bulk substrate and initiate fruiting 🍄

💯 The That Mushroom Guarantee

If something arrives damaged or contaminated, we'll make it right. Free shipping on orders over $150.