Canning ?- lids?
Just got back from the place my DH does pumpkin carving. The neighbors sell home made pickles there, and have been canning for 40 years or more!
The last couple of years she has been getting tops that bulge on the top. She insists that they are still sealed, but, of course won't sell the ones with a bulging cap.
Are these defective tops? Should she contact the manufacturer, or does this just happen from time to time?
Your thoughts??? Nancy