History: I recently switched all three cats in my house to Dr. Elsey's Clean Protein chicken dry and cut out Fancy Feast Chicken Pate all together. After doing so, I noticed one of my civvies (14 years old) drinking a lot more water and urinating more. After ruling out diabetes due to checking BGs, I took her urine into the vet (very dilute - almost clear) and the vet advised the specific gravity was low and we needed to do bloodwork. After I asked a few folks online, I added back the Fancy Feast Chicken Pate 1/3 can each cat twice daily with added water of course. After doing so, I noticed the civvie wasn't hanging around the water foundtain as much. Fast forward 5 days, we went to the vet, pulled blood and had the attached results. The vet says we have a kidney "deficiency" and recommends we start her on a kidney diet to lower the BUN. I understand that a high protein diet can raise the BUN as well as dehydration. Curious what everyone's thoughts are. Should we change foods? I'm going to try and catch her urine again to see if there is more of a yellow tint to it this time since the urine output seems less after adding the FF Chicken. I have one diabetic boy (14 years), one Civvie girl (14), and another Civvie girl (4) @Marje and Gracie - Chris Ronkoski advised you are the expert. Love to hear your feedback.