The substrate is definitely the nutrient-rich product on which your mycelium will increase. Common substrates contain brown rice flour blended with vermiculite and water (generally known as BRF cakes) or whole grains like rye or millet. The substrate need to be correctly pasteurized to circumvent contamination. This strain comes from https://magicmushrooms29630.blogsuperapp.com/39199804/the-ultimate-guide-to-magic-mushrooms