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Using the All American 921 to Water Bath Can

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Posted by heavensabvus1 NY, NY (My Page) on
Wed, Sep 3, 14 at 19:32

The other day I wanted to up my volume, so I decided to use my AA 921 pressure canner as a water bath canner, in addition to also using my 21 quart granitware canner. I filled the AA the same way as I would my graniteware pot, got the water really hot, lowered 8 pints into it, made sure there was between 1-2 inches covering the jars, and put the lid on slightly ajar so that plenty of steam could escape. I kept it at a rolling boil for the full 40 minute processing time then rested the jars for 5 minutes with the lid off and the heat off. I had 100% seal rate.

Any issue with doing it that way? I wasn't sure if I closed the lid fully that the steam vent would allow enough steam to escape.

Second, could I have doublestacked the pressure canner, putting the second rack on top of the first 8 pints and adding a second 8 pints? Then I could omit using the graniteware pot all together.

Thanks for your input.

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RE: Using the All American 921 to Water Bath Can

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It's fine as long as the jars are covered with the water and the lid is left loose in place. You'll find many discussions here about doing it as it is a fairly common practice for many of us with the Presto 23 quart model.

Dave

PS: I wouldn't try the double stacking tho. JMO

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RE: Using the All American 921 to Water Bath Can

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Thanks very much!

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RE: Using the All American 921 to Water Bath Can

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Why does the lid need to be loose? I usually leave mine on to limit the steam in my kitchen when using it for BWB. Should I be afraid of developing pressure and blowing the lid off?

Chris

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RE: Using the All American 921 to Water Bath Can

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I'm new here, but I recently looked up the question of double stacking. NCHFP actually says that you can double stack both in pressure canning as well as boiling water canning, if you use a rack in between layers. For boiling water canning, the top layer of jars still needs to be covered by 1-2 inches of water.

Here is a link to the Canning FAQ's of NCHFP. Double stacking of both BWB and PC is discussed about 8 down under the General section. Hope this helps.

Here is a link that might be useful: NCHFP FAQ's for canning

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