Urine Problems I Put My 14yr Old Cat On Soft Food (for His Urine Problems). Will His Bowels Every Get Used To It?

I put my 14yr old cat on soft food (for his urine problems). Will his bowels every get used to it? - urine problems

My vet I was on my cat on soft foods with low ash, because I had a urinary tract infection. (Water in food aid this problem, I suppose). But now my cat has loose stools. Once you apply to the new scheme?