Canning Jar lid concern

by Bonnie
(Yorba LInda, CA)

I want to make my kumquat marmalade for gifts, and purchased pretty 6 oz. hexagon jars with lug lids. These lids do not have that little bump in the center that depresses when sealed. I was told these jars will seal using a water bath. what advice can you give me. Will they seal?

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Hi Bonnie,

I have not used them and I know that the USDA has not specifically approved them. If your lids had the little bump to indicate the seal, I'd feel more comfortable saying that it is fine.

However I also know that many have used them with success.

Be very sure that they have actually sealed by making sure that the center of the lid has popped down. Double check them when you remove them to use them as well.

I'd probably hesitate to use them with a low acid food. I"m always a little more careful with them because of the botulism concern. But marmalade doesn't have that added concern.

This is something I'd sure like to hear from others too. Have you used these types of lids with success?

So this is sort of I THINK it would be fine... but you really need to use your own judgement.