Her again I hope I am late but I feel I must reply just in case. There poop becomes mushy with most soft diets. I know that Science Diet will do it. I don't know about the sodium content but if the excessive drinking keeps up, I would have his blood sugar checked to rule Diabetes out. Phyllis and the Wigglies: Generosity, Grace, and Joey (Joy) In Loving Memory: Faith, Hope, Constance, Bandit, and Charrity [Posted in FML issue 4604]