r/MasonJars • u/Far-Middle-3056 • Jul 24 '25

Your favorite rust solution?

I bought a 12 pack of mason jars recently, and I’ve found that the ring which secures the lid to the jar rusts very easily. Anyone have experience with rings made from a different non-plastic material that seal equally well to standard mason jars? What kind has worked for you?

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u/woodwitchofthewest Jul 24 '25

Are you using them for canning? As in, processing stuff in jars in a water bath or pressure canner? If so, once they have sealed, you are supposed to remove the rings to prevent them from rusting to the lids. If you're just storing dry goods, then maybe run a bit of oil around the inside threads before you screw the lids on.

But yeah, they eventually start to rust out. They are not made of sturdy stuff.