If they are growing babies then that is the recommended. You can do : M-Cal, T-Cal, W-Vit, Th-Cal, Fri-Cal, Sat-Vit, Sun-Cal.
If they are adults then its 3 days cal and 2 vit. M-Cal, T-Vit, W-0, Th-Cal, Fri-Vit, Sat-Cal, Sun-0
It doesnt matter how much you put in the bag. Just shake them til...