What are the Outdated Techniques?
Up-to-date lid application technique is important! Changes in lid design and sealing compounds have led to new and improved application techniques for ensuring tight seals to guard against food spoilage. In years past, instructions for zinc lids as well as metal bands, used with rubber rings and glass lids, dictated that lids be twisted on very tightly or be applied very firmly and then backed off (reversed) a quarter turn. Other out-dated techniques required that bands be retightened after processing or that jars be inverted after closing or processing. All of these lid application techniques are outdated! Used with today’s two-piece metal lids, these techniques can cause seal failure. These outdated techniques simply do not work successfully with two-piece metal home canning lids made and sold in Canada and the United States.Always follow the manufacturer’s recommendations for use of a product. • Blanket Steeping: Heating filled jars of food in boiling water and then wrapping the jar
