Sterile Mushroom Millet Grain Bag

Sterile millet grain bag prepared for reliable mycology work. Small kernels and high surface area support fast colonisation, clean shake ups, and easy break apart. Evenly hydrated, sterilised, and sealed for a consistent starting point.

For legal mycology and educational use only.

What Size Syringe Do I need?

Our bags have a max amount of moisture they can hold, therefore it's important to check how much you need prior to setting up your project! These bags are purpose-made for Gourmet Health Mushroom spores and should be used alongside a bag sealer (for contamination-free second and third harvests) as well as a heat mat or heat chamber to keep the temperatures constant. Please refer to the table below for this information!

Disclaimer

Please note that it is illegal to grow magic mushrooms within the UK. We ask that you do not use these spores to grow mushrooms, but instead use them to study under a microscope. We cannot be held liable for any illegal use of these spores. Please check your local regulations as we cannot be responsible for the laws you should follow in your own country.

Bag Size	Syringe Size	Bag Sealer Size	Heat Mat Size	Incubation Chamber Size	Predicted Yield Size
1lb Bag	2.5ml	Small	7w	40L or 60L	50-75g
2lb Bag	10ml	Small	7w	40L or 60L	100-250g
4lb Bag	20ml	Large	20w	60L only	350-700g
50/50 Bag	20ml	Large	20w	60L only	500g+
1kg Rye	10ml	Small	7w	40L or 60L	100-200g
1.5kg Rye	20ml	Large	20w	40L or 60L	300-400g
BRF PF Tek Kit	2.5ml	Small	7w	40L or 60L	50-75g
Dutch Style	20ml	-	20w	60L only	500g+
Sprinklebag	20ml	-	20w	60L only	500g+
Oak Hardwood Kit	2.5ml	Small	7w	40 or 60L	70-150g

Sterile Mushroom Millet Grain Bag

Name: Shiny Spores
Rating: 5 (132 reviews)

Millet is one of the highest performing grains used in mycology, loved for its small kernel size, huge surface area, and fast colonisation speed.
If you want a clean, responsive grain base that spreads quickly and breaks up easily, millet is hard to beat.

Our Sterile Mushroom Millet Grain Bag is prepared to a professional standard for consistency you can trust.
The grains are evenly hydrated, sterilised, and sealed to give you a reliable starting point for your mycology work.

Why Millet

Fast colonisation thanks to high surface area
More inoculation points per bag
Even kernel size for smooth shake ups
Less clumping and easier break apart
Great for beginners and experienced growers

Ideal Uses

Grain spawn preparation
Grain to grain expansions
Liquid culture transfers
Bulk substrate inoculations where legally permitted
Research and educational mycology work

Quality and Preparation

Premium millet hydrated for consistent performance
Sterilised and ready for use
Sealed to maintain freshness during storage
Produced in clean conditions with careful handling

Storage

Store in a cool dry place away from direct sunlight. For best results, use soon after delivery.
If you need to hold it, refrigeration can help extend freshness.

Note: This product is intended for legal mycology and educational use. Always follow local laws and safe handling practices.

Weight

1001 g

Dimensions

9.25 × 6.25 × 6.25 in

Weight

🪶 1kg £12.95, 💪 1.5kg £16.95

An image showing a mushroom millet grain bag beside a spore syringe and oyster mushroom

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Price range: £12.95 through £16.95

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Bag Size	Syringe Size	Bag Sealer Size	Heat Mat Size	Incubation Chamber Size	Predicted Yield Size
1lb Bag	2.5ml	Small	7w	40L or 60L	50-75g
2lb Bag	10ml	Small	7w	40L or 60L	100-250g
4lb Bag	20ml	Large	20w	60L only	350-700g
50/50 Bag	20ml	Large	20w	60L only	500g+
1kg Rye	10ml	Small	7w	40L or 60L	100-200g
1.5kg Rye	20ml	Large	20w	40L or 60L	300-400g
BRF PF Tek Kit	2.5ml	Small	7w	40L or 60L	50-75g
Dutch Style	20ml	-	20w	60L only	500g+
Sprinklebag	20ml	-	20w	60L only	500g+
Oak Hardwood Kit	2.5ml	Small	7w	40 or 60L	70-150g