This is the first time I am spending winter in FL. I have two male neutered 4.5 year old Cornish Rex cats (my Devil Cats) and brought them down with me. In MA I have two litter boxes - a Litter Robot that works most of the time (Grrrrrr) and a large covered plastic bin (https://www.chewy.com/petmate-top-entry-litter-pan/dp/132928) that they have to jump on and go down into. I bought the second one because this Litter Robot does not work as reliably as the original design, which I loved. In MA the cats always behaved and peed appropriately.
In FL I have two boxes. One is the same model covered box as in MA, in the hall to the garage. The other at the moment is a 70 L plastic bin (a large storage container without the top), in a shower stall. I started with a lower box, like a tray, but one of the cats (Clack) began to pee in a strange fashion - he begins squatting, and as he pees he begins to stand so that the pee ends up hitting the inside of the box and dripping down. I thought that the pee that I began to find on the outside of that box was appearing because he was taller than the side of the box. So I bought taller boxes. Now, I am finding pee that is clearly from a cat peeing outside of the box. I have washed the outside of the box, and the shower stall, and still find cat pee outside of the box. I have not seen Click (cat number two) pee ever, but I suspect that he is the culprit, not the cat that stands while peeing.
Their diet is the same as before - some canned food twice a day and a mix of diet dry food and oral care dry food. They are drinking FL water, and enough of it I would say. The water is the only thing that has changed. They do not cry when they urinate. The boxes get scooped once or twice a day.
Suggestions on what I can do? I am very nervous about closing the cats out of the shower stall, because I am afraid that they will pee outside wherever I put the box. I did try a covered box in the shower stall, and still found pee outside of the box. Maybe he just wants a Litter Robot.
I will make an appointment with the vet, too.
Help!