Thanks for all the good advice.

Spencer, if you don't mind, would you let me know how the Eliminator works out for you? I went to the site and it looks really good. Let me know not only how it works for you but also how many you would need for 3 cats. We've been thinking about going from 3 boxes to 2 for our 3 babies. We clean our boxes out 2-3 times daily. Would love your input!