How To Sterilise Glass Jars With Rubber Seals

Basic steps to seal your preserving jars.

How to sterilise glass jars with rubber seals. For jars with a rubber ring seal remove the seal before washing the jars and place in a small saucepan. The sterilization of glass jars in the pot is the most classic method to use and it is the one that takes the most time. Cover the glass jars completely with hot but not boiling water the water will need to be about one inch above the jars.

But lets see how to proceed with the different methods of sanitizing glass jars. You should also sterilize the caps or lids by boiling them in water for approximately 10 minutes. All jars are then sterilized.

Sterilizing jars is important to ensure not only there is no bacteria in the jar that could potentially spoil the contents but also the heat of the jar is also needed to maintain a good seal. The jar minus the rubber seal can be placed. Note that you should not add any cold food into a hot jar as it will shatter the glass jar.

Sterilizing glass jar using microwave is my preferred way of doing it. To ensure your first attempt is a success do these steps. I usually sterilize jars and lids in the dishwasher and oven but dont know what will happen to the rubber seals.

My Mum taught me to heat the jars in the oven at a temperature of 100 degrees C for 1 hour. Place vacuum seal lids or rubber seals in a small pan and fill with 4 inches of water heat and simmer at 82 degrees for 10 minutes turn the heat off and cover the pan until you are ready to seal the jars. If this is your first time preserving with preserving jars it may be tricky for some.

Put them in a baking pan being careful not to let them touch each other bake them for 5 minutes turn off the oven and let them cool in the closed oven for 20. I could remove the seals - but then they wouldnt be sterile. Sterilizing glass jars in the oven is a quick and easy method.