Image taken from Google, all credit to owners.
Okay people! Why put something empty back in the fridge?! Can't think of a good reason? THEN DON'T DO IT! You go with a certain item in mind, thinking there is still some left and then surprise its empty! How hard can it be people to throw the empty item in the garbage! If it's empty throw it away. If it's getting close to empty, start a list and maybe get more before it's gone. Just for the love of all things holy, if it's empty throw it away.