A couple of years ago I built a dry root cellar in our basement in order to keep vegetables and fruits over the winter. I framed in a corner of our basement, put in a door and used a window to give the room access to the cool air from outside. Last year I acquired a half dozen refrigerators in order to store spawn and fresh mushrooms. I decided a walk-in cooler would be more efficient and convenient, so I decided to make our root cellar also work as a walk-in cooler.
The walk-in cooler is essentially complete now, after working on it on-and-off for a couple of months. This just in time for my first order of spawn that came in yesterday – about 100 lbs. of shiitake sawdust spawn.