Aside from the endless unconditional love they provide, one of the best aspects of having a cat is not having to take them outside to do their business.Litter boxes, on the other hand, have their own set of issues, ranging from odor to cleanup and finicky cats. Not all litters are acceptable to all cats, and picking the wrong one is no laughing matter. Today, we'll go over the top ten best cat litters that will keep both pets and owners happy.