Yes. It really should have been refrigerated before opening, too.
No, Hershey syrup does not need to be refrigerated after opening. It can be stored at room temperature.
Yes, pickles should be refrigerated after opening to maintain their quality and prevent spoilage.
Yes you will need to refrigerate after opening, but it doesn't need to be refrigerated if still sealed.
Yes, simple syrup should be refrigerated after opening to maintain its freshness and prevent spoilage.
Yes, Frank's sauce should be refrigerated after opening to maintain its quality and prevent spoilage.
Peanut butter does not need to be refrigerated, but jelly should be refrigerated after opening to maintain freshness and prevent spoilage.
doe
No.
It may not have to be refrigerated after opening - but it will probably retain it's moisture and flavor better if it is. If the bag recommends refrigerating after opening, then do so.
No - unless the label states "keep refrigerated" which should mean that it was in the refrigerated case when you purchased it.
Yes. Homemade marinade should be refrigerated, and purchased marinade should be refrigerated after opening.