I have many different types of crystals, depending on what I'm feeling that day. (mindbodygreen.com)
That would need to be confirmed by your veterinarian with a quick urinary sample so they can get him started on medication and food for whichever type of crystal he has. (1800petmeds.com)
It is obvious that one diet can not produce a pH that will satisfy the lowest risk factors for multiple types of crystals and stones. (youngagainpetfood.com)