Buying Canning Jars Boston MA

1. Canning jars come in many sizes. The most common sizes are half-pint, pint, quart, and half-gallon, but most canning recipes use the pint and quart sizes.
   
   
2. Half-pint canning jars are perfect for jams, jellies, spreads, relishes, and sauces. Their small size make them perfect to add to gift baskets or to put together an assortment for gift-giving.
   
   
3. Most vegetable, pickle, and salsa canning recipes call for pint or quart sized canning jars. These fit easily into hot water bath canners as well as pressure canners.
   
   
4. Half-gallon sized canning jars can be difficult to use. Their large size requires extra large canners, and once full they are rather heavy and awkward to store.
   
   
5. The flat sealing disk that comes with new canning jars has a sticky compound around the edge. When heated, the band creates a seal over the jar which makes the jar airtight. When you use your canned food, the screw-on lid ensures that the disk stays in place after the seal has been broken.
   
   
6. Screw-on lids can be reused as long as they are in good shape. If they get dented or begin to rust, they must be replaced. Sealing disks can only safely be used once; after the first use, the sealing compound is no longer reliable to keep your food safe from mold or bacteria. Lids and sealing disks can be purchased anywhere you find canning jars.
   
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Author: Carrie Grosvenor