Originally Posted by
SATTSO
Someone tried this at SAT, it didn't work. The passengers had about 4 gallons of water to make formula. The insisted on the police when they were told they couldn't bring that much through. Police enforced what te STSO said, and the pax could only take some of the water. No TSO was charged with anything.
Four gallons is over 30 pounds, which would be quite a bit to carry. The average adult needs no more than about one gallon of water per day (much of which is contained in our food), so for a baby, I would expect that would last even longer.