Jonesy is around nine, I think. He's been diagnosed with hyperthyroidism, but it's stable. He drinks huge amounts which makes me wonder if he might not be having kidney problems as well.
I am interested that you also cut out dry food. Wouldn't it provide more fiber and roughage?
I am boarding a neighbor's cat in my home while they are on vacation. Have cared for him off and on for about a year. He suffers from chronic constipation--he'll produce little dots of stool for a week or so, then come out with one big one. Not enough!
Last time his owners were away I took...