smell of urine from wooden floorboards smell of urine from wooden floorboards dog smell on a wood floor how to remove pet urine stains from how to get dog urine smell stains out black urine stains from hardwood floors cat urine on a hardwood floor remove urine odor from wood floors hardwood floors dog urine smell pet stains out of hardwood floors cat urine off hardwood floors dog urine smell and hardwood floor dilemma what if my hardwood floor has pet stains