Black Oyster mushroom grain spawn - premium inoculated grain for growing striking dark Pleurotus ostreatus. High-yielding strain with exceptional flavor.
Our grain spawn has undergone inoculation in a completely sterile environment. Please note that this item is not yet in its final form. For optimal results, we advise utilizing 0.5 lb of Inoculated Grain Spawn per 10 lbs of substrate.
