Can I use old jam jars for homemade jam?

You can reuse old jars, just make sure you wash them thoroughly in hot soapy water and then heat them in the oven to about 150 degrees to sterilise them before you put the jam in (you always put jam into hot jars anyway so do this last).
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Can you use old jars for jam?

This is also one of the reasons why you should never reuse just any old jar for preserving; the glass construction of commercial jam jars isn't meant for repeated use, and the lids will not give you a reliable seal.
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Can you reuse jam jars for homemade jam?

The good news is that canning jars are fairly inexpensive and can be reused for years and years. Keep your jars clean and store them in a safe place where they will not be damaged in between canning sessions. The only piece that you will need to buy for the next round of preserves is the inner lid.
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Can you reuse jam jar lids?

You can reuse glass canning jars, but don't be tempted to reuse canning lids, she advises. The gasket compound in used lids may fail to seal on jars, resulting in unsafe food. When jars are processed, the gasket on new lids softens and flows slightly to cover the jar-sealing surface.
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Can you use recycled jars for canning?

No, don't use recycled jars for home canning

Is it safe to use these jars in a boiling-water bath canner or a pressure canner? — No! Mason-type canning jars are best because these jars have been specially tempered to withstand the heat necessary in the home-canning process.
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You CAN reuse lids from store bought jars for CANNING your food! _ Tomato Jam Water Bath and Recipe!



What can I use instead of a Mason jar?

Glass storage containers with rubber lids: These are great for quick pickling, particularly alliums like shallots and leeks, or for storing pickles after they've been fermented in the ceramic crock.
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Can you use spaghetti jars for canning?

However, commercial jars, like those used for store bought spaghetti sauce or jam, are not recommended for reuse in canning. “They weren't meant for repeated heating [so] you run the risk of them breaking in the canner,” McCarty explained.
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How many times can you reuse canning jars?

While you can't reuse metal canning lids, you can reuse the jars and bands, as long as they're in good condition. Rusted or chipped canning supplies need to be tossed, though. Safety should always come ahead of savings.
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How do you know if a canning jar is safe?

You want to make sure you are using a Mason-type jar. According the National Center for Home Food Preservation, a Mason-type jar is specifically designed for home canning and is the best option. Commercial mayonnaise jars may not seal and may break, especially in a pressure canner.
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Do I need to sterilise jam jar lids?

If you want to preserve food for as long as possible, however, it's really important that you sterilise your glass jars or bottles just before you fill them. This applies to new glass containers and lids as well as previously used ones.
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How can you tell if a jar is heat resistant?

Because tempered glass has characteristics that are so different from annealed glass, manufacturers are required to identify it with a stamp in at least one of the corners. The stamp, which may say "Tempered" or simply "Temp," is either sandblasted into the glass or applied as a porcelain overlay.
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Can you reseal jam jars?

Place those room temperature jars in a canning pot of cold water. Bring that pot of water to a boil slowly, so that the contents of the jars heat along with the water. Once it reaches a rolling boil, process as you always do. The jars should seal properly this time around.
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Can I use screw top jars for jam?

However most screw-top jars, especially those sold for jams and chutneys, come with metal lids that are lined with plastic. This protects the metal and also helps the lids to form a tight seal. If your jars have this type of lid then they should be fine.
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Can any jar be used for canning?

Food may be canned in glass jars or metal containers. Metal containers can be used only once. They require special sealing equipment and are much more costly than jars. Regular and wide-mouth Mason-type, threaded, home-canning jars with self-sealing lids are the best choice.
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Are Ball canning jars lead free?

Ball is the most consistently lead-free brand (for canning jars) that I have found (with just a few exceptions.) Conversely, almost all Kerr jars I have tested have been positive for low-levels of lead (20 to 40 ppm range) – with very few exceptions.
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How do you know if your jars have sealed?

Tap the lid with the bottom of a teaspoon. If it makes a dull sound, the lid is not sealed. If food is in contact with the underside of the lid, it will also cause a dull sound. If the jar is sealed correctly, it will make a ringing, high-pitched sound.
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Should screw bands be closed very tight after using jars?

The screw band should be tightened just to fingertip tight. It is important not to use force or to use jar tighteners when applying two-piece lids. During processing, air is forced out of the jar. If the screw band is too tight, air cannot escape.
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Do canning lids need to be boiled?

While the old guidelines recommended dropping the lids in hot, simmering water before pulling them out and immediately sealing jars, Jarden now says it's not necessary to heat the lids in order to achieve a good seal. Instead, you can simply wash the lids and use them at room temperature.
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Why are old mason jars blue?

Feeling Blue

Those blue mason jars were mass produced until 1937 using sand from around Lake Michigan. It was that sand that gave the glass its blue hue.
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What happens if you forgot to remove air bubbles when canning?

"When air bubbles are not removed, the air trapped by the food will essentially add to the headspace. Too much headspace can lead to seal failures." Opt for wooden or plastic tools (like Ball's official "bubble freer," shown here) when shifting the contents to remove headspace.
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Can you reuse Atlas Mason jars?

Modern “Atlas” Mason jars

Nevertheless, these jars, perhaps because they do say “Mason” on them, are amongst the most popular for re-use with home canning, though they were never actually intended for re-use, as they are not real Mason jars.
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Are Classico jars Mason jars?

Classico uses mason jars, famed for home canning. Thus, Classico pasta sauce jars seem perfect for re-use.
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Can I use old jam jars for chutney?

It is also possible to reuse food jars such as pasta sauce, gherkin, jam and chutney jars. As long as the rubber seal on the inside of the lid is in good condition, it can be re-used safely.
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Are mason jars the same as preserving jars?

A Mason jar, also known as a canning jar or fruit jar, is a glass jar used in home canning to preserve food. It was named after American tinsmith John Landis Mason, who patented it in 1858. The jar's mouth has a screw thread on its outer perimeter to accept a metal ring or "band".
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