Grey Oyster ‘GHOST’ Colonised Grain Spawn (NON-NATIVE) GPSR_prepour 2kg sterile CVG (this is

2kg sterile CVG (this is your substrate)

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Multiple well-spaced air holes so you can dial in humidity and ventilation

Grey Oyster ‘GHOST’ Colonised Grain Spawn (NON-NATIVE) GPSR_prepour 2kg sterile CVG (this isGrey Oyster Colonised Grain Spawn (NON NATIVE) Grey Oyster Colonised Grain Spawn is a vigorous, high quality spawn designed for expanding into bulk substrates. Fully colonised on premium sterilised millet, it provides fast, even mycelial growth to help establish healthy fruiting substrate with ease. What Is Grain Spawn? Grain spawn is the foundation of mushroom cultivation, sterile grains fully colonised with mushroom mycelium, ready to inoculate your