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Your cart is empty.Bay Hydro Blue Oyster Mushroom Mycelium Grain Spawn is a versatile spawn ideal for both indoor and outdoor mushroom cultivation. At only 2oz, this grain spawn provides excellent mycelial colonization for its generous size. The premium rye and wheat grains have been colonized by the mycelium of Pleurotus ostreatus, one of the most popular edible mushroom varieties. Its blue-gray caps and gills make Blue Oyster mushrooms a beautiful addition to any homegrown harvest. This spawn is guaranteed to colonize and fruit when provided the proper growing conditions. Beginners and experts alike will find success with this high-quality spawn.
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