7 Grain Blend Sterilized Hydrated Grain Bags
7 Grain Blend Sterilized Hydrated Grain Bags
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7 Grain Blend Sterilized Hydrated Grain Bags

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Introducing our 7 Grain Blend bags, the ultimate choice for successful mushroom cultivation. Our specially formulated 5 grain combination of Whole Oat, Wheat Berry, Rye Berry, White Millet, White Milo, Sorghum and Whole Corn provides the ideal nourishment for mycelium, resulting in thick and healthy grain spawn.

How to Use?
1. When your product arrives, remove the rubber bands and unroll the bag.
2. Gently loosen the gussets and prop up the bag to allow air to pass through the air filter for 24 hours.
3. After 24 hours, gently massage the bags with the palms of your hands to loosen the grain.
4. Inoculate 1-10 cc of liquid culture through the provided injection port.
5. Store the bags at 72-78 degrees Fahrenheit for optimal growth, without using incubators.
6. Heat the room, not the shroom
7. Depending on the species, environment, and culture used, expect visible growth in 7-14 days.
8. Once 30% growth is visible, mix up the bags again with the palms of your hands to spread the mycelium.
9. Do not move the bags until they are 100% colonized.
10. Wait 3 more days past 100% colonization and then spawn your bags to your desired substrate.

Spore syringes are not recommended for direct use on grains due to potential sterility issues and slow germination.
We strongly advise using liquid culture or agar for faster and more successful colonization.
To achieve the best results, maintain a room temperature between 72-78 degrees Fahrenheit.
Our products are intended for legal use in gourmet and medicinal applications. Thank you for your understanding.


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Wendell P.
United States United States

Great company

My experience couldn’t be better. Fantastic customer service.

United States United States

Fantastic product!!!

These bags are top notch! You won’t find anything better than APG. These bags colonize so quickly. Zero contamination issues like I’ve had with other vendors. Amazing company with unmatched customer service. Seriously don’t shop around, you will not find a better vendor. APG is simply the best!

William H.
United States United States

Amazing bags!

Amazing all around experience. Product and customer service was top notch

Zachary T.
United States United States


Great so far. Seemed to be in good shape when I received it. Inoculated a week ago and seems to be colonizing quickly and without contam. Will buy again