The substrate is the nutrient-loaded material on which your mycelium will mature. Popular substrates involve brown rice flour combined with vermiculite and drinking water (generally known as BRF cakes) or whole grains like rye or millet. The substrate should be properly pasteurized to stop contamination. With all that becoming said, https://magic-mushrooms41852.bligblogging.com/39323563/5-simple-statements-about-magic-mushrooms-explained