1. Grain Selection: I chose a suitable grain, specifically guinea corn, as the base material for the substrate. I made sure that the grains were fresh, uncontaminated, and of high quality.
2. Grain Rinsing and Soaking: I rinsed the grains thoroughly with clean water to eliminate any dust or impurities. I soaked the grains in water for at least 12-24 hours to hydrate and soften them, facilitating better colonization by the mushroom mycelium.
3.