We have done a lot of canning in the past, now the pressure cooker takes up a lot of space due to advancements in preservation techniques, make sure you read before using it, to understand the process, if you don't know what you are doing, you can blow your kitchen up and don't ask me how I know, I had a mess Sargent in the Army injure 2 privates and put them in the hospital for a week with a pressure cooker!