No need at all! It does not contain any salt or preservatives so there's no reason not refrigerate after opening (but we recommend using within 6 months after opening). But do note that if you use this product in recipes calling for broth (like making soup), do add salt (it's already salty) since broth from bouillon cubes are typically not salty enough (but do add any flavoring agents such as herbs). Also we suggest using 1 cube per cup so that will ensure flavor is balanced out evenly if making soup with this product instead of using whole chicken bones/stock or bouillon cube itself (this ensures that 1 cup = 1 cube).. If using other ingredients that might go bad such as milk powder/butter powder/salted stock powder etc then better store these separately as they might make your soup taste funny or make other ingredients go bad sooner than others when mixed together.. We do not recommend keeping Better Than Bouillon cubes outside once opened since they tend