Canning Lid Failure Test
For this test, I chose to use my Presto digital pressure canner to preserve Pineapple Chunks. While you may easily water bath pineapple, you may also pressure can it, which works wonderfully if you have a tall 23-Quart canner with a second flat rack, permitting you to preserve upwards of 18 pints at a time. Purposefully, I wanted to pressure can the lids to test their durability using a higher temperature than boiling water.
Canning Lid Brands Used
- Ball
- Denali
- North Mountain Supply
- Golden Harvest
Processing Time: 10 minutes at 15 psi
Jar and Lid Description: 20 pints; Regular and Wide mouth; 5 jars of each lid brand
Batches: 3 separate
Results:
EVERY LID SEALED!
I was shocked, happy and thankful when each batch I preserved produced a positive result. What I found was the Norther Mountain Supply brand sealed the quickest, while all of the others sealed within minutes of removing from the canner. Not a single lid gave me the “three hour scare” – which is when a lid or two seem to wait until the 3-hour threshold to finally seal, giving us cause to worry we may need to pop an unsealed jar in the refrigerator.
Now, while I fully understand this was a small sampling of brands, and I only tested five lids of each brand, I made sure to randomly fill each canner batch with a mix of the four brands. I did this because it resembles what happens in real-life while canning in our home kitchens. We will get down to one lid of a particular brand, then have to open a box of another brand, because that is what we could get our hands on to continue canning. No longer do we have the luxury of having just one brand to fill our canning supply needs.
My goal is to keep using a mixture of lids and tracking my results. My next canning recipes will include the use of a water bather and a traditional stove-top canner because I do find by using my digital pressure canner, my lid failures are less as are my siphoning issues. I believe this is due to the digital canner’s ability to maintain an even temperature (PSI) throughout the entire processing time whereas it is much more difficult to do with a stove-top canner.
So, could all of these lids have sealed because I used a digital pressure canner versus a traditional canner? Possibly. It is for this reason I will perform another canning lid failure test using a full, double-stacked traditional 23-Quart canner using a mixture of the above four brands. Until then, please feel confident using the brands listed above.
Will we completely eradicate canning lid failures? Sadly, no. But we will make it our goal to greatly lessen them – and these four brands will help you do so!
Happy Canning!
xo
Diane, The Canning Diva®
www.canningdiva.com