Professional-grade spawn bag made with military precision. Packed with 2 lbs of premium whole oats, sterilized and sealed for fast, reliable colonization. Ready to inoculate straight from the package - no prep, no contamination, no corners cut. Perfect for beginners and experienced cultivators alike.
 
Perfect For
- Making grain spawn for bulk substrates
- Inoculating directly from liquid culture or spore syringe
- Growing oyster, shiitake, lion's mane, and most gourmet species
- Beginners starting their first spawn run
- Experienced growers scaling production
 
What Sets Our Sterilized Oats Apart
Sterility Guarantee — Fully sterilized and sealed until inoculation for peace of mind
Premium Whole Oats — Carefully selected for optimal moisture content and nutrition, ensuring fast, vigorous colonization
Ready to Use — No preparation needed - inoculate directly through the self-healing injection port
0.2-Micron Filter Patch — Maintains proper gas exchange while keeping contaminants out
Heat-Sealed for Freshness — Professionally sealed immediately after sterilization to lock in sterility until use
 
The Myco Powered Difference
While other suppliers use inconsistent grains or cut corners on sterilization, we prepare every bag with unwavering precision. Each 2 lb bag is packed with carefully selected whole oats, sterilized to eliminate all contaminants, and heat-sealed to preserve sterility until you're ready to inoculate.
 
Our guarantee is simple: if your bag arrives contaminated, we replace it free. Consistent quality you can count on, every single time.
 
Order your 2 lb sterilized grain bag now and start your next grow with confidence. Professional quality, guaranteed sterile.