🍄 Grow like a pro—unlock your mushroom farm’s full potential!
North Spore’s USDA Certified Organic Sterilized Hydrated Grain Bag features a proprietary millet and wheat blend designed by mycologists to accelerate mushroom growth. Each bag includes a self-healing injection port and a 0.2 micron filter patch to ensure sterile inoculation and optimal gas exchange. Sterilized in a commercial autoclave with verified sterility, this spawn bag offers more inoculation points and reduced contamination risk, making it ideal for serious cultivators aiming for maximum yield and quality.
J**B
Great Quality Spawn Bag – Perfect for Growing Lion’s Mane
This sterilized, hydrated grain spawn bag worked perfectly for my lion’s mane mushroom grow! It arrived well-sealed, clean, and fully hydrated—ready to inoculate right out of the box. Colonization was fast and even, and I got a great yield. Super convenient and reliable for home cultivation. Highly recommend for any mushroom grower!
T**E
Excellent
The only grain I will buy. Nice and tightly packed with fresh hydrated and sterile millet. I inoculated it with a spore syringe from a reputable supplier. Set the temp to 77, and let it sit in the dark cozy closet. I was careful to minimize possibility of contam. Sprayed the bag all over w alcohol first thing. Applied fire to the syringe. Sprayed the grow room w isopropyl alcohol too. You cant do too much sterilizing. Use sterile gloves if you have them. Mycelium noticeable in a week. Spreads rapidly. After the second week, I had about 2 pounds of pure, fresh fluffy mycelium. Went on to grow the biggest flush ever in a monotub. Happy growing!
C**X
Made things simple!
Thymine have worked wonderfully, Zero issues so far, and their incredibly easy to use!
V**E
Works great
Awesome
M**.
Completely Open
The top of this was wide open. Not sealed at all. I could reach my hand in and touch the grain. Complete waste of money. Also wasted my spores. I think they forgot to seal it at the factory.
J**N
Only bags I'll purchase!
I recently tried the North Spore 3lb bag of sterilized grain, and it has been a great addition to my mushroom cultivation setup. The grain arrived in perfect condition, well-packaged, and ready to use right out of the bag. The sterilization was spot-on—no contaminants, which is crucial for a successful grow. The quality of the grain itself is impressive; it's consistent and works well with my mushroom spore syringes. Overall, this product offers excellent value for the price and performs as advertised. Highly recommend it for anyone serious about growing mushrooms at home.
D**G
Very Fast Colonization!
Good stuff. I innoculated my grain bag on feb 30th and It was fully colonized on march 9th. I was shocked how fast it was fully colonized. Overall if you have the extra money to throw around this is some good grain to use. But if you don't it's not necessary when mycolabs has grain jars 3 pack for 28$. Vendors also sell drippy corn 10$ for a 3lb bag. Really hope north spore can get the pricing down per bag but overall good experience 👍
E**Z
Good quality and worked well
Good quality and product was fresh.
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