Do jars or containers used for curing and storage need to be 100% air tight? I have some quart mason jars that have white plastic lids If I put water in them and turn them upside down water will dribble out so they are not 100% air tight. I also have a big 2 gallon jar that has a lid with a little flip top spout for ice tea. You can close the flip top but it's not 100% air tight. Can these be used for curing and storage or do I need 100% air tight lids?