This article is part of the Spores Lab Substrate Preparation pillar — a complete guide to choosing, preparing, and optimising your growing medium for psilocybin and gourmet mushroom cultivation. Start with the full guide at sporeslab.io/post/substrate-preparation-the-foundation-of-every-successful-grow Pasteurization vs sterilization mushrooms. One of the most debated questions in mushroom cultivation , pasteurization vs sterilization mushrooms.— and the answer is more nuance