Why is my shiitake (椎茸) mushroom turning brown?
Mushroom Grow Kit (New Varieties Added) As the mushroom mycelium eats the substrate, your shiitake block will mature from white to brown over the next 4-8 weeks. Ideally you should introduce your shiitake block to a fruiting environment when it’s at least 3/4 brown As soon as the block turns brown, it will also start …
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