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How to change a soft drink fountain syrup bib
Locate bib (bag-in-box) connected to the fountain tube.
Determine if the bib is actually empty.
Sometimes air will get caught in the tube and it will appear to be out of syrup when it really isn't.
If ready to replace, locate replacement bib. Check with your employer whether to empty the box completely before replacing or if it should be replaced before it is completely used.