If you have a pressure cooker it's not very difficult.You buy the spores in syringes and inject them into the sterilized jars. Sterilize the needle before each

If you have a pressure cooker it's not very difficult.You buy the spores in syringes and inject them into the sterilized jars. Sterilize the needle before each injection and generally keep the space clean. I have done several batches and haven't had problems with contamination so far. You just go through a few weeks of self doubt until the mycelium gets visible.