What if it's the bowls? I bought China made ceramics, but writing all over. Much print writing was all heavy metal based before moving to soy.
What if it's the water? I always gave them Alexapure water until a few years ago switched to Deer Park because my source water is so shit.
What if the food? I got a huge accidental purchase of $800 worth of cat food for $450 before of was delisted. Was a new product. New being unsafe or just fish causing liver damage from mercury?
I'm kind of leaning to the food. He never had fish before 12 years, 6 months later severe liver damage? It was only salmon.
I think that's the cause. I'll ask my vet and my friend who is a vet
Does your cat roam outside any? If so, have the vet check for exposure to antifreeze. You might have an asshole like this around; https://www.oregonlive.com/pacific-northwest-news/2015/10/salem_man_gets_18_days_in_jail.html