about ¼ inch or, up to the bottom line at the top of the jar. over filling and under filling may cause the jar not to seal properly.
wipe the rim of the jar with a clean cloth.
place a lid and a screw ring on the top of the jar and tighten firmly. (but not so tightly that it requires tools to remove it.
return the sealed jars to the hot water making sure that the water covers the top of the jars by an inch. boil for 15 minutes.
remove jars from water and place on a towel to cool and listen for the "pop" sound that the lids make when they 