Liquids:
Water 32-64 ounces a day
Protein Supplement drink using water or non-fat milk. I do this three times a day
Skim milk
Broth: chicken, beef or vegetable
Crystal light or any sugar free flavored water
Sugar free jell-o very liquidy
I also drink muscle milk twice a day as Snacks. Also Isopure is a good Protein Drink.