When I adopted Ruby in April, I didn’t realize that I would be embarking on the search for the perfect litter box. Ruby is a vertical pee-er. I had never had one of those. My regular litter box wasn’t going to work.

She doesn’t spray. Spraying is usually done by male cats. When a cat sprays, he stands up, typically makes a treading motion with his back feet, quivers his tail and sprays urine onto a vertical surface such as a wall. Spraying is a marking behavior.Continue Reading