Cat Urine Smell and Pet Urine Removal http://caturinesmellremoval.weebly.com/... Cat Urine Smell and Pet Urine Removal - If we have indoor pets sometimes they will potty inside regardless of how often we clean their sandboxes or let them outside. Cat urine smell is the most difficult to get rid of, lasting weeks and sometimes months if not properly cleaned up. Dog urine is almost as bad, simply because the amount is usually far more than a cat can produce, but it usually does not have the instant recognition that cat urine does.
