15 August 2018 Celery Juice (Pressure Canned) Posted on August 15, 2018 by Durgan 15 August 2018 Celery Juice15 August 2018 Celery Juice Five celery plants in pristine condition were harvested and made into 10 liters of pressure canned juice.Total weight was about nine pounds. The processed juice was canned at 15 PSI for 15 minutes for long term storage at room temperature. Annotated pictures depict the process.