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.
Ball made blue canning jars primarily for aesthetic appeal and to differentiate their products from competitors. The blue color also helped to filter out some light, which could potentially degrade the quality of canned goods. Additionally, the distinctive color became a nostalgic and collectible feature, enhancing the jars' popularity among home canners. Over time, these jars have also become valued by collectors due to their unique hue and historical significance.
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Golden Harvest canning jars are made by the company Jarden Home Brands. They make Golden Harvest, Kerr and Ball ¨ brands are all manufactured in Indiana.
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.
The most popular material for home canning jars is glass.
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.
Any Ball (Atlas or Mason) canning jar that is not a screw top is a collectible. These are no longer produced for canning. They had glass dome tops that were held down by a wire lever, and sealed with a gum-rubber sealing ring. Some screw top canning jars may be collectible items if they are no longer manufactured, or were manufactured by a company no longer in business. I still use my Atlas jars.
How old is a green ball ideal canning jar with a wire clamp and number 7 on the bottom? Without seeing the jar it is difficult to determine the age of the jar. Ball has been making canning jars since 1886 and the wire clamp was one of the earliest mechanisms used to close the jars. The number on the bottom is most likely represents the mold number and may not have any bearing on the age. A collector would need to see the jar to determine a more exact age, since there are other markings that could be used to identify approximately when it was made. So, the green ball ideal canning jar with a wire clamp and number 7 on the bottom could more than 100 years old.
If you are looking for storage jars that are generally used for canning Walmart carries the Ball brand. You can purchase these jars by the case or either 6 or 12. They also come in different sizes.
To ensure proper preservation when canning, boil the jars for 10 minutes.
Blue Perfect Mason canning jars with the number 2 marked on the bottom are typically valued between $10 to $20, depending on the condition and rarity of the jar. Collectors often pay a premium for jars in good condition with clear glass and minimal defects.