Why jars break during canning




















Impact breaks originate at the point of impact and fissures radiate from the point of contact. To prevent impact breaks: Handle jars carefully. Jars that have been dropped, hit, or bumped are susceptible to breakage.

Test new jars that may have been mishandled to see if they break by immersing them in room-temperature water, bring to a boil, and boil 15 minutes. Avoid the use of metal tools to remove air bubbles. Avoid using old jars. I opened the metal lid and screwed on a plastic lid. As I picked the jar up to put in the refrig the bottom just fell out and I had pickles and vinegar all over the kitchen floor. This has never happened before in 40 yrs of canning.

Now I'm gunshy when I bring up another qt of pickels. I canned 4 quarts of dilly beans today, heard a crack when the 3rd jar went into the hot bath, noticed after the bath was over, a jar was floating, the bottom had broke off. Been canning for years, first time I lost 2 quarts. Bummer, I did not inspect the jars before and these jars have been used a few times. Must grow more beans. So happy to see I am not the only one. I have canned and froze foods for many years in my Ball Jars.

I recently had 2 half gallons crack in the freezer. I was so upset that I searched the website to find that the half gallons today are not tempered like they use to be. They truly have changed the quality to cut expense so now I must see if this is why it is happening in the canner and oven as well. Last year I had no problem with my jars, this year I lost two in one batch. I canning green beans. As I've read other ppl's comments, I'm left wondering if maybe Ball jars are the common link, and I'm wondering if the jars are over recycled Like a plastic bag from the grocery stores, they are all thinner and weaker I wonder if Ball jars are the same way?

I have been using ball jars for about 4 years and every year I lose at least 1 jar per batch, it is getting really frustrating after all the work that goes into it. I am using old canning jars and have for over 25 years.. And when I say old I mean they were grandparents past on to me. I had a couple times in those years where I had breakage. Maybe I have lost a dozen in that time frame. I believe it was the cold into too hot of a bath.

All the comments I read seems like Ball is selling a thinner or cheaper product if that is possible. Check out your local thrift stores ladies and buy old stock. They don't make em like they use too! What I am trying to find is this: The bottom popped off my jar of peaches today. Can I eat the peaches? There is no glass shards.

Just a clean break. I hate to waste such good organic peaches. It does seem that broken jars are becoming common for many folks.

I lose a jar or so each season, sometimes for reasons I could foresee, and sometimes for reasons that are lost to me. I don't know if there is a difference between older jars and newer jars in terms of quality. It would be interesting to know though. I use those for storing dry goods instead. I just don't know that there is a perfect answer when it comes to broken jars except to use good quality jars and to be as careful as possible by putting hot items in hot jars, hot jars in hot canners, etc.

In regards to the peaches, I am sure you have probably already done something with them, but I will give my opinion for future reference anyway. If it were me, I would eat the peaches in the other jars the ones that didn't break , but I would discard the peaches in the broken jar. Even if there are no visible shards of glass, there may still be slivers of glass too small for you to see.

It is difficult to think of wasting such good fruit, but I would do that to be on the safe side. Use your best judgement. Good luck with your canning! While canning peaches two jars broke, one before boiling and one during, my jars and syrup where hot, I'm using golden harvest jars, I've had the jars three and two years, is there a time limit on how long you can use them, sad to see all those peaches go in trash.

Thanks for the information. I started canning about 4 years ago and although I had read about broken jars I have been lucky until today. I was making brandied sweet cherries and one of the jars broke. Luckily it was only one and it was a clean break. It was a Kerr jar which I don't typically use but my others were Kerr and only one broke. I'm guessing my jar had cooled down to much. I just lost two jars when I was canning dill pickles. One was a Kerr and the other a Ball. I think mine was a temperature issue as I probably took too long assembling the jars before putting them in the already hot water.

Use grandmothers jars, or if you lucky great grandmothers jars, they were made well back in the day. Just like everything made in China today, they want you to buy a new set every year or two. I just lost my first jar of pickles to breakage in the water bath canner.

I think I had the same problem I took too long to assemble the jars this time. However, when I searched for reasons why jars break, one of them was that the the jars may have been packed too tight. EVERY recipe for cold pack pickles I have found or tried says to pack them as firmly into the jars as possible. In addition, Failure to NOT pack firmly is listed as one reason why they "float" and come out of the liquid, even with proper head space. SO all that being said How do you know how tight is tight enough, but not too tight?

I am thankful to this blog for assisting me. I added some specified clues which are really important for me to use them in my writing skill. Really helpful stuff made by this blog. Well I have to join the broken jar club! My first break in 15 years of canning. Tomatoes floating everywhere in the pot now. I was looking for an answer of keep going or restart and I believe that I will keep going and clean up when the water bath is complete.

Glad to see I am not the only one. And yes I am sad. This was a very useful answer to read - thank you! We just had the bottom of a jam jar fall out with all of the jam and now I have a good idea as to why. Hello, I appreciate all the comments. I started canning 3 years ago. I was sad to see a few jars break each tine - exactly as the blog and photos detailed.

Before I read the post, I went out and purchased new jars. After reading the post, I thought, rats, now I purchased newer, inferior jars. I roast my tomatoes on the grill and then can them. I was thinking that I was too slow in my process of filing the jars, making the contents too cool. Today, I added one more step. After filling the jars, I put them in the microwave for 2 minutes. It was a success. I lowered the jars into the water bath slowly, no popping, no broken jars.

I can exclusively in old jars I find at thrift stores and such as I like the raised designs on them. At 11 p. I know such good people and was nearing the end of the process. The stock was strained, defatted, funneled into jars and in the pressure canner when tragedy struck. A jar broke.

I had just put the lid on the pressure canner and was venting it before beginning to raise the pressure when I heard a quiet snap.



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