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When your order arrives:

Take out of the packaging!

The number one cause of contamination is leaving bags in the original packaging for too long. Remove all sterile grain and substrate from the packaging when it arrives. Allow air to reach the white filters.

Check for damages

Before you get to work, have a quick check of all bags to ensure no splits or damage has occured during transit. If you find any damages or issues

Get Support

Storage

Store grain and substrate in a cool dry place (not the fridge). Use by date on the bag although the highest chance of success comes from using the product at it's freshest.

Instructions for:

Sterile Triple Mix grain for making mushroom grain spawn

Video Instructions for inoculation

Video Instructions for inoculation

We made a nice little video ages ago which shows how to inoculate your grain bag.

Watch it
Have questions about your sterile grain?

Have questions about your sterile grain?

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Customer Reviews

Based on 164 reviews
94%
(154)
1%
(2)
2%
(4)
0%
(0)
2%
(4)
R
Ricky E. (Liverpool, England, United Kingdom)
Worked every time

Perfect for beginners

J
J.K. (Manchester, England, United Kingdom)
Great company, great products

Always had good experiences buying from mycopunks, and it feels good to spend my money at a business who give so much back to the community too ❤️

R
Reece C. (Dundee, Scotland, United Kingdom)
Simple

Loved it’s simplicity

J
Josh B. (Newport, England, United Kingdom)

Best in the uk will always use this company

J
J.B.

Brilliant product

Reviews in Other Languages

C
Craig
Sterile Organic RYE Grain for Mushroom Spawn Production

Great product for starting those gourmets

D
Danny
Sterile Organic RYE Grain for Mushroom Spawn Production

Just as it says it is

G
Gaz d.
Sterile Organic RYE Grain for Mushroom Spawn Production

10/10 great product

Product Safety Information for Sterile Triple Mix grain for making mushroom grain spawn (GPSR)

Manufacturer

MycoPunks Ltd
Unit 24A Morelands Trading Estate, Bristol Road, Gloucester, GL1 5RZ, UK

GPSR@mycopunks.com

Responsible Person

Euify OSS B.V. T.A.V. (MycoPunks Limited)
Prinses Margrietplantsoen 33, 2595 AM, Den Haag, The Netherlands

GPSR@euify.eu

Safety Information

May contain the following allergens : Rye, oats, wheat, millet, coconut, peanuts, corn, red dari, sorghum, horse manure, soya.

Keep out of reach of children

Risk of suffocation

Reuse / Recycling / Disposal

Contents can be composted.

Check local waste facilities for polypropylene recycling.