Quick Answer: How Old Are Blue Mason Jars?

Why are old Mason jars blue?

Feeling Blue Nothing is cooler than a blue Ball® glass jar, right.

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..

How do I identify Old Ball Mason jars?

Use The Logo To Find An Approximate Age First check the logo, which changed fairly frequently until about 1962. The earliest logo was the intertwined BBGMC—Ball Brothers Glass Manufacturing Company—used on jars made in Buffalo, New York. Rejoice if you find one of those; Buffalo jars are pretty rare.

Are mason jars toxic?

Many mason jar lids contain BPA, a plasticizer, which acts like estrogen in the body, disrupting normal hormone regulation. Many home canning jars contain BPA in the lining of the lid.

How can you tell if a glass bottle is vintage?

Identify the Type of MarkingsEmbossed labels or product names often appear on the sides of bottles. … Maker’s marks often appear on the bottom of the bottle. … Pontil marks are circular shapes on the bottom of the bottle that indicate that the bottle is made of free-blown glass.More items…

Why are Mason jars so expensive?

So why are Mason jars so expensive? … I believe Mason jars are expensive because they are trendy not because they are good and people who buy them are ripping themselves off because there are other much cheaper jar solutions which work just as well.

Are Kerr and Ball the same company?

If the Kerr jars and their packaging looks eerily similar to that of Ball jars, it’s because they’re basically the same: Both Ball and Kerr brands are now owned and manufactured by the parent company Jarden.

Are old Mason jars worth money?

Value depends on a lot of factors, but many canning jars sell for under $15. … According to Country Living, an upside-down Ball canning jar designed to rest on its lid is relatively rare and made between 1900 and 1910. It’s valued at about $1,000.

Do blue mason jars have lead?

Tamara also tested newer blue Ball mason jars and found some small levels of lead in them. However, she found that Ball is the most consistently lead-free glassware brand. Thus, it is best to use clear plain glass without any painted features, and I recommend the Ball brand. We use a lot of Ball jars at home.

How can you tell if glass has lead in it?

Lead crystal is generally easily identified; all you need is a fingernail or metal utensil. Tap your nail or a fork against the edge of the glass. If it clinks, it is glass, but if it rings, you have crystal. Generally, the longer the ring, the higher the lead content.

What can you do with old Mason jars?

25 Unique Ways to Use Mason Jars Around Your HouseSoap Dispensers.Matchstick Mason Jars with Striker Lid.Mason Jar Herb Garden.Storage Container for Twine.Salt or Herb Shaker.Vintage-Vibe Mason Jar Lights.Chalkboard-Painted Mason Jar Pencil Holders.Storage Shelf.More items…•

Are blue mason jars worth anything?

Fruit jars were produced primarily in clear and “Ball blue” (aqua), but some amber, cobalt, and even milk glass examples can be found out there in the wild, and they are likely worth upwards of several hundred dollars.

Are blue mason jars Food Safe?

These colorful canning jars work just the same as clear glass jars. They seal the same and can be used safely. … If a food has become discolored in the jar, even if the seal is still good, then the food has probably been compromised.

How old are Mason jars?

In 1858, a Vineland tinsmith named John Landis Mason (1832–1902) invented and patented a screw threaded glass jar or bottle that became known as the Mason jar (U.S. Patent No. 22,186.) From 1857, when it was first patented, to the present, Mason jars have had hundreds of variations in shape and cap design.

What does the number mean on the bottom of Ball Mason jars?

Many Ball mason jars have a number printed on the bottom of the jar, but this is a mold number that does not indicate the year of production. Rather, the mold number tells you where the jar was positioned on the glass-making machine that was used to produce it.

How much are old Ball Mason jars worth?

The smaller and more common vintage jars usually sell for less than $20. However, the vintage green jars or those with special wire carriers can sell in excess of $300. The logo is the best way to date the jars because the Ball logo changed throughout the years.

What is the difference between wide mouth and regular canning jars?

While jar shape can help you choose storage method, the jar mouth size can depend on a variety of factors. Regular Mouth work best with pourable foods such as jams, jellies, salsas, sauces, pie fillings, and vegetables. Wide Mouth allows for easier filling and works best with whole fruits and vegetables.