If I use vacuum packaging or nitrogen flushing to package my goods, do I still need to use 50cc Oxygen Absorbers?

Both these methods are used to remove the oxygen content from a package. Vacuum packaging achieves this by sucking out all air and then sealing the package. Nitrogen flushing forces the heavier nitrogen gas into packaging, pushing out the oxygen content. In both instances, some oxygen remains. It is estimated that when these methods are used there can be 2–3% of oxygen remaining. 50cc Oxygen Absorbers can then be used to capture the residual oxygen present.