Quote Originally Posted by Karen View Post
Did anything change right before he started spraying again? Did you change litter types or anything? He's obviously trying to communicate something ...

And just as a formality, is he neutered?
He is neutered.... the only change we can think of is, the dog usually has his spot on the couch that we make him sit when he's out of the crate. We've been a bit more liberal with letting him explore around the living area when the cats are at a safe distance. That is the only change.