Mushroom Spawn Bags - Grain Masters, expandable to 100 - 1000 times there mass

Grain masters are custom made lead time for master grain spawn is 3-5 weeks from date of order.

Grain Masters are expandable to 1000 times there mass 

Eg 100 more 2kg spawn bags  then 1000 bulk substrate bags 

Products coming soon - if you would like to order now please email us


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