I love the countdown function. However, when I put in a countdown for an item such as a soda that has multiple sizes there is no way to differentiate from the other soda sizes.
For example, I do a stock countdown for orange 20oz but when a 2 liter orange is ordered it takes inventory from the 20 oz orange countdown that I entered. Making it completely inaccurate.

Is there a way to make a countdown for each individual size of a certain item?

Thanks for your consideration!