If you are completely new to mushrooms, I am going to explain the basics of mushrooms and mushroom cultivation so that when you go to the other channels to ask questions you atleast know what others may be talking about. 1. First things first, not all mushrooms can be cultivated indoors. There are parasitic, mycorrhizal and saprophytic fungi. Some parasitic fungi we have had success with cultivating indoors, such as Tremella fuciformis and Cordyceps species, but we largely only cultivate Saprophytic fungi(fungi that feed on dead or dieing organic matter) e.g. Oyster mushrooms, button mushrooms, lions mane, turkey tail etc. Then we have mycorrhizal fungi, Truffles, Boletes, Aminita muscaria, Chanterelles, etc. Which are cultivated outdoors. Farms will inoculate roots of trees or gardeners will make spore slurry's that they throw onto shaded areas of their lawn and hope that the solution will inoculate the roots in that area. 2. Now that you know there are different growing types on fungi you should also know that in the category of Saprophytic fungi there are sub type. Primary, Secondary and tertiary decomposers. Oysters, Reishi, Lions Mane etc. are primary and secondary decomposers, where as wood blewits and Cubensis mushrooms are secondary/tertiary decomposers and Button mushrooms, Almond mushrooms and many other species are tertiary decomposers or soil dwellers. as you can see there is a little bit of a overlapping area when we get to secondary and more so tertiary decomposers. 3.Lastly, when you are growing mushrooms you are also creating the perfect environment for a variety of other types of microbes. So you need to keep this in mind when you are adding easy access nutrition to your substrate. More easy access food you add the more sterile you need to be. This is also why we use grain as the initial substrate for growing mushrooms. We ensure that the grain is very sterile and perfectly hydrated before inoculating them with the mushrooms spores or mycelium and then once the grain is 100% colonised you add it to the substrate. The grain acts as inoculation points and already capture highly nutritious food source for the mushrooms mycelium to grow and colonize the fruiting substrate faster.