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Uncle Myc's Millet Grain 2lb sterilized mushroom spawn bag with logo.
Uncle Myc's Millet Grain Sterilized Mushroom Spawn Bag with cartoon mushroom man logo.
Uncle Myc's Millet Grain 2lb sterilized mushroom spawn bag with logo.
Uncle Myc's Millet Grain Sterilized Mushroom Spawn Bag with cartoon mushroom man logo.
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Uncle Myc's Millet Grain 100% Sterilized Mushroom Spawn Bag

Official Uncle Myc's Dealer Model: UN-MLT2
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  • Available in 2lb and 4lb pre-sterilized spawn bags
  • Small millet grain structure for increased inoculation points
  • Self-healing injection port and integrated gas exchange filter
  • View More Details

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VOLUME PRICING

Commercial & Bulk Purchasing

We support operations & licensed facilities with volume pricing, dedicated account managers, and custom equipment consultation.

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THROUGH THE Cultivator's LENS Hands-On Evaluation

  • You are scaling up your lab production because standard grain bags keep failing to colonize evenly across the substrate.
  • You are switching to millet because you need faster inoculation times to beat the risk of contamination in your space.

  • We prefer the millet grain because the small surface area really does speed up the colonization process.
  • The pre-sterilized bags save a massive amount of prep time compared to cooking and bagging raw grain yourself.

  • Growers report that the small millet grains allow for much faster and more uniform mycelial spread.
  • Users who transitioned from larger rye grains say they spend less time waiting for complete colonization.

Uncle Myc's Millet Grain 100% Sterilized Mushroom Spawn Bag

Slower colonization means more time for contaminants to gain a foothold, which is why grain size matters more than most growers realize. Uncle Myc's Millet Grain 100% Sterilized Mushroom Spawn Bag uses millet's naturally small grain size to create significantly more inoculation points per bag, driving faster, denser colonization than larger grains like rye or wheat berries can offer.

Every bag is professionally pre-sterilized rather than pasteurized, giving beginners and experienced growers alike a genuinely contamination-free, ready-to-use starting point. The grain is hydrated to the ideal moisture level before packaging, so the mycelium has immediate access to the nutrients it needs without any risk of over- or under-hydration throwing off colonization.

Once inoculated, that dense network of small grains translates directly into a stronger, more uniform spawn mass — which means better substrate coverage and more consistent colonization when it's time to transfer to bulk. Available in 2lb and 4lb sizes, it's built to scale from a single grow to larger multi-bag operations without any drop in colonization speed or consistency.

Features

🔬
Pre-Sterilized and Ready to Use

Professionally prepared to ensure a contamination-free start straight out of the bag.

🌾
High-Quality Millet Grain

Perfectly hydrated for maximum colonization speed and nutrient availability.

💉
Self-Healing Injection Port

Simplifies inoculation with spores or liquid culture while maintaining full sterility.

🌬️
Filter Patch Included

Allows essential gas exchange without introducing outside contaminants.

⚡
Faster Colonization

Millet's small grain size creates more surface area for rapid mycelial growth.

⚖️
Two Sizes Available

Choose the 2lb bag for smaller grows or the 4lb bag for larger-scale cultivation.

Frequently Asked Questions

Why choose millet over other grain spawns? +

Millet's smaller grain size means more individual inoculation points per bag compared to larger grains. This creates more surface area for mycelium to colonize, resulting in faster, denser growth.

How do I inoculate the bag? +

Use a syringe to inject spores or liquid culture through the self-healing injection port. The port reseals itself afterward, keeping the bag sterile throughout colonization.

How is contamination prevented during colonization? +

Each bag is professionally pre-sterilized before shipping, and the integrated filter patch maintains proper gas exchange throughout colonization while keeping contaminants out.

Do I need to hydrate or prepare the grain myself? +

No. The millet grain arrives perfectly hydrated and ready for inoculation, so there's no soaking or preparation needed before you get started.

Which size should I choose — 2lb or 4lb? +

The 2lb bag works well for smaller grows or first-time cultivators testing a new strain, while the 4lb bag suits growers looking to scale up spawn production for larger bulk substrate batches.

Is this spawn bag suitable for beginners? +

Yes. Since the grain arrives pre-sterilized and hydrated, beginners can move straight from inoculation to colonization without needing extra equipment or grain prep experience.

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Questions About This Product?

Our specialists are happy to help. Call us or send a message and we'll get back to you within one business day (most of the time within a few hours.)

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