Consider using paraffin wax to seal jars of items you plan to consume within a few months. You can buy paraffin wax at convenience stores with the canning items. Although not recommended to store canned items for a long period, the paraffin wax method still exists. Many people consider this method out dated, and safer canning methods are available. However, aside from the long-term canning risks, paraffin wax is acceptable to seal jars for short-term purposes. Using a two-piece sealing method, (a lid and ring) will prolong the life of your canned goods because the heat will make the jars airtight.
- Skill level:
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Things you need
- Canning jars with lids
- 0.454kg. paraffin wax
- Double boiler
Leave ½ to 1 inch of space on the top of each jar. This gives you enough room to place the paraffin wax.
Melt the paraffin wax in a double boiler. You can make a double boiler by filling a large pot full of water, and placing a smaller pot on top of the large water filled pot. Sit the paraffin wax in the smaller pot, and when the water boils the paraffin wax will begin to melt.
Watch the paraffin wax. If the wax becomes too hot, it will catch on fire. You want to keep the wax below 190 degrees C.
Begin spooning the paraffin wax into the top of the canning jars. Once the paraffin wax completely melts, it is clear and has a waterlike appearance.
Fill the jar to the brim with the paraffin wax. Allow the wax become white and opaque, but do not allow it to cool completely.
Place the lid on top of the paraffin wax. Screw the ring onto the jar to secure the lid. The heat from the canning jar and paraffin wax will seal the jar when it begins to cool.
Tips and warnings
- Use paraffin wax to seal jars for short-term purposes only. Paraffin wax has a tendency to allow air to encounter the food, allowing for mould and bacteria. Throw the food out if you detect mould or spoilage.
- Use food grade paraffin wax only.
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