Inside, the milk is run through separators to remove the cream. The skim milk that remains flows on. Some will remain skim and later some will have the cream returned to it, in varying proportions, to create 1%, 2%, whole milk, buttermilk, half and half and flavored milks. The rest of the cream will flow on to other tanks for use in making ice cream and other products.

In these mixing tanks, other ingredients are added to make flavored milk like chocolate, strawberry or eggnog.