by Daniel Parnitzke
What if the minimum expiration date would actually display the process of food turning bad. It could help the consumer to keep track of the different stages of food expiration and oxidation.
Don’t drink pink milk shows the increasing acidity of milk while turning bad. An indicator increases the milk’s red color to visualize the aging process. Due to the gradually change of color the consumer can see the aging stage of the milk.
The bottle of milk has two chambers which both contain the same milk and which are facing the same surrounding conditions. The bottom chamber contains the indicator.