All-in-one Mushroom Grow Kit, Grow Bag 1.5kg - Grain Spawn CVG:Buy 3 get 1 free.

750g Grain + 750g CVG Coir/Verm bulk substrate. Injection port, All-in-one Grain Spawn & Bulk Substrate. Fully Sterilised. Mix the colonised grain and bulk substrate together (don't open bag). Inject spores or liquid culture via the black injection port.

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