Canning & Food Preservation

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Canning and preserving food. Includes dehydrating, freeze-drying, etc.

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Overpressure plug blew (self.canning)

submitted 1 year ago by Okokimup to c/[email protected]

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Hi all, has anyone experienced this? I was just canning chicken broth in my pressure canner, and the overpressure plug blew out, releasing all the pressure. I lost a good 25% of my broth.

I had previously removed the plug to use the canner as a water bath, so maybe I didn't have it in right. Or maybe the pressure was too high. The presto manual says to not use the canner until I call them (not open until tomorrow). The plug doesn't appear damaged at all.

I was wondering if anyone's been through this? Did you have to replace the plug? Should I assume the lids are no longer suitable for sealing?

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[–] Okokimup 4 points 1 year ago

In case anyone is interested in the future: I called Presto and they're sending me a new plug, no charge. They also explained that when I first insert the plug, I need to do it from the inside and push out. But if I remove it, I should reinsert it from from the top and push down. I won't be removing it, I'll just go back to my old water bath canner.

I can't use the pressure canner until I get the new plug so my broth will have to go in the freezer.