You shouldn't use the older canning jars for several reasons. They may "explode" when the cool air hits the jar as you move it out of the hot water or at any time during the cooling down period. They may not seal well and the food could become contaminated or poisonous. The bottom could simply "fall off" in the water during the canning process, releasing the food within the jar out into the water. Also, the older jars were not made for pressure canning and may not withstand the pressure.
Crown canning jars that are vintage are probably not a good choice for canning. If there are nicks, scratches, or uneven glass at the rim of the jar they may not seal properly. They could also break during processing in a hot water bath. All in all it would be advisable to use modern jars and 2-piece lids.
The most popular material for home canning jars is glass.
Bertha F. Olsen has written: 'Canning in glass jars in community canning centers / by Bertha F. Olsen and Esther H. Scott' -- subject(s): Glass fruit jars, Canning and preserving
It is not safe to reuse commercial canning jars for home canning. The glass in home canning jars is thicker than in commercial jars and they are created specifically to work with 2-piece lids. It is also not advisable to use very old canning jars.
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If you are asking about Ball-brand home canning products, that business was spun off in 1993. For information on Ball jars, the Ball Blue Book and other canning products, visit the Jarden Corporation at www.homecanning.com.
Yes. Publix regularly sells glass jars for home canning. Since this is a seasonal item, it might not have a permanent shelf spot. Ask store personnel for the item.
When these jars were made, they came into contact with lead; however, this does not mean the lead has seeped into the glass. To err on the side of caution, you should likely not can with them, as they may have trace amounts of lead in them. In addition, they are very rare canning jars and may be worth money to the right collector.
Jars for canning peaches are sold under the Ball brand name. They are available at Sears stores, Ace Hardware stores, World Market and Ideal True Value Home Centers.
No. Use glass jars that have airtight seals and can be sterilized. Plastic won't ensure your home-made mayonnaise will remain safe.
Blue Mason Jars do not 'turn' blue, they are manufactured from a greenish/bluish glass. This glass contains trace amounts of Iron and/or Cobalt ... the greater the concentration, the deeper the color.
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I am not an expert on the subject but I have read that it is because they were hand blown. That is where the tool that the glass blower used to blow air into the glass was attached.