Hand Made
Secure Payment
Quick Shipping
Small Business
Highly Rated
3lb Sterile Corn Grain Spawn – Now with a FREE Injection Port!
Premium Quality for Reliable Mycelium Growth
Achieve faster, more consistent colonization with our 3lb Sterile Corn Grain Spawn Bag. Made from organic popcorn grains, it ensures optimal hydration, advanced sterilization, and a contamination-free start for your projects.
Why Choose Our Sterile Corn Grain Spawn?
- ✅ Organic Popcorn Grains – High in nutrients and uniformly hydrated.
- ✅ Advanced Sterilization – Autoclaved at 15-17 PSI for contaminant-free grains.
- ✅ Rapid Colonization – Designed for efficient mycelial growth.
- ✅ Professional-Grade Quality – Trusted by hobbyists and experts.
What’s Included?
- 3lb Hydrated & Sterilized Organic Popcorn Grain – Ready for inoculation.
- Unicorn 10T Breathable Mycology Bag – Ensures gas exchange while maintaining sterility.
- Self-Healing Injection Port (Microppose) – Reduces contamination risk.
- 4mil Vacuum-Sealed Bag – Extends shelf life.
erred mushroom culture and begin your journey to fruitful results.
Quick Start:
| Step | Instructions |
|---|---|
| 1. Inspect | Ensure the bag is sealed and the filter patch and injection port are intact. |
| 2. Inoculate | Clean the injection port with alcohol. Inject 4-8 mL of liquid culture or spores using a sterile syringe. |
| 3. Shake (Optional) | Once 20–30% colonized, gently break up the mycelium to help spread growth (OPTIONAL). |
| 4. Wait | Let colonize at 70–75°F in a clean, dark space. Most bags finish in 10–18 days. |
| 5. Use or Store | Once fully colonized, use immediately or refrigerate for up to 2 weeks before transferring to bulk substrate. |
🚀 Pairs Well With:
- 🚀 Not So Simple Substrate – Nutrient-rich, hydrated, and sterile for vigorous growth.
- 🚀 Simple Substrate (CVG Mix) – A coir, vermiculite, and gypsum blend, ideal for all skill levels.
💡 Pro Tip: Store in a cool, dark place (45°F-70°F) for freshness.
📦 Fast & Discreet Shipping – Order with Confidence!
Dont Forget your Substrate
-
Not So Simple Mushroom Substrate - Advanced Mix for Superior Growth
Vendor:MycologysimplifiedRegular price From $10.00Regular price -
Simple Mushroom Substrate - Ready-to-Use CVG/CVA Mix for Beginners
Vendor:MycologysimplifiedRegular price From $9.00Regular price -
Masters Mix Substrate - Premium Blend for Gourmet Mushrooms
Vendor:MycologysimplifiedRegular price From $12.99Regular price -
High-Quality Gypsum Powder - Essential for Mushroom Cultivation & Soil Health
Vendor:MycologysimplifiedRegular price From $8.50Regular price -
Extra Large Monotub Refill Kit
Vendor:MycologysimplifiedRegular price $39.99Regular price
Let customers speak for us
Quick delivery and exactly as advertised. Highly suggest
Havent used them yet, but the shipping was super fast (2 days). Looks great for my visual inspection
Double packaged arrived on time, will order more supplies from them
Real good product
Great product! You guys are great!
They were complete professionals in every way. Went above and beyond. I would not go anywhere else. Why pay twice the price ? This picture does not do it justice but the grain bags are perfect !
I love everything about mycology simplified, they are completely on point
Great quality
Amazing product works bettet than expected easy to use and understand
Everything looks great, speedy delivery.
Everything was delivered as it looks on site, fast delivery.
Looks good and delivery was fast
Legit products good price and selection
very good
very good
