Pretty Litter detects urinary abnormalities and changes color when the acid, alkaline or bilirubin levels change, potentially indicating that the cat may be suffering from an infection or illness.

At first blush, you wouldn’t think Daniel Rotman, 38, would be the founder and CEO of PrettyLitter, a mail-order cat litter business. Rotman graduated from the University of California ...

But the real magic happens when it comes into contact with your cat’s urine. The litter actually changes color to alert you to potential health issues, like urinary tract infections or kidney ...