Add 3 pounds of grain and 1 tablespoon of gypsum in a five gallon bucket and soak for 24 hours.
After 24 hours, drain the grain and put into your 3 pound
Sterilize spawn bag in a pressure cooker at 15 PSI for 4 hours.
Let cool for 24 hours and it will be ready for inculcation.
In this video you will see a mushroom, mycelium, petri dish time-lapse compilation.
In this video I show you how to grow mushrooms from start to finish in a monotub.