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Generally, old jars and bottles using blue colours signified poisons and medicines. So I would say they are not food safe - just to be safe.
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Where can you buy blue-tinted Mason jars?
They are available in some antique stores and junk shops.
Canned food in mason jars for sale?
There are many places that you could sell canned food in mason jars. You could sell this canned food in your yard for example.
Why blue mason jars turn blue?
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.
Value of blue ball perfect mason jars blue with 5 on the bottom?
2.00
What is the value of a complete set of Blue Mason Jars?
120 dollars
What is the value of a blue mason jar with a 2 on it?
Blue mason jars with iron crosses are worth more than regular mason jars. Online venders sell them for between 8 and 25 dollars, depending upon the condition of the jar.
What is mason jar?
Mason is the company that manufactured many of the glass jars used to "can" produce. Now that very few people preserve their own food, many of these jars are now collectible. Mason Jar is the shop or amenity and food and drink service business, in Houston, Texas
Blue mason jar made 1849 price?
Please give me the value of 4 blue ball mason jars that I have. The numbers on the bottom are: 0, 4, 6, 7
What is the value of blue Perfect Mason canning jars with the number 2 marked on the bottom?
they are 25 dollars each
What are the basic canning equipment supplies needed to get started?
You need Mason jars - not mayo jars, not a used food jar, genuine Mason canning jars. You also need lids and rings. You need jar tongs to pick up jars of food just out of boiling water. Finally, you need a vessel big enough to hold at least four jars at one, and cover them with boiling water. With this minimal set of equipment, you can can at least four jars at a time.
Where can you find prices of antique Old Blue Ball Perfect Mason jars?
You can go to an antique dealer or call them and describe your jars. They should be able to give you the going rate.
Do mason jars really keep air out and keep food preserved?
yes they seal the jar so it keeps food fresh
