How To Sterilise Glass Jars By Boiling

But your locations altitude will affect the boiling temperature of the water.

How to sterilise glass jars by boiling. In order to actually sterilize jars they need to be submerged in covered by boiling water for 10 minutes. Sterilise the metal seals in boiling water for 5 minutes then leave to dry. Pop the tray of clean wet jars and lids in to a preheated oven at 160-180ºC for about 15.

Prepare the food which you are going to preserve before boiling and sterilizing the mason jars. Turn the heat off then leave the jars to cool completely in the pan. Boil 10 minutes at altitudes of less than 1000 ft.

Jars should have flat gasket-lined lids with screw bands. Bring water to a boil and boil jars covered 15 minutes from time steam emerges from pot. Fill the jars with the preserves screw on the lid then wrap each one up in newspaper.

At higher elevations boil 1 additional minute for each additional 1000 ft. To sterilize empty jars put them right side up on the rack in a boiling-water canner. 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.

I always use glass jars for all my homemade jams. Sterilize a glass jar. How to sterilise jars Step 1.

Heres how to sterilize glass jars and glass bottles. How to sterilize glass jars for preserves. Now most sources I have seen have suggested immersing the jars and lids in boiling water.