How To Sterilise Glass Jars By Boiling
How to sterilize glass jars for preserves.
How to sterilise glass jars by boiling. How long do you have to boil jars to sterilize. You can use a dishwasher. But your locations altitude will affect the boiling temperature of the water.
Sterilise the metal seals in boiling water for 5 minutes then leave to dry. For bottles fill using a clean funnel that has been scalded with boiling water. How to sterilise jars Step 1.
Put jars in a water-bath canner or on a rack set in a deep pot and cover with hot water. You can also place the jars into a large pan of boiling water for 10 minutes. At higher elevations boil 1.
Jars should have flat gasket-lined lids with screw bands. Just before filling them invert jars onto a kitchen towel to dry. To finish off drain the water and dry.
According to the National Center for Home Food. To sterilize empty jars put them right side up on the rack in a boiling-water canner. This way as soon as the mason jars are sterile the food can be placed directly into them with a reduced risk of contaminating the food.
Allow to cool slightly on the tray but its best to fill the jars while they are still warm. Boil 10 minutes at altitudes of less than 1000 ft. If you are in higher altitudes the boiling point is lower so you need to make adjustments on the time your jars will spend in the boiling water.