If your puppy has any accidents, clean the area thoroughly with odor neutralizer according to the manufacturer's directions. (thehousebreakingbible.com)
Use an enzyme - based pet odor neutralizer such as Simple Solution to kill the urine scent, since dogs try to mark over spots... and their sense of smell is many times more sensitive than ours. (paw-rescue.org)
The cleaner his living area is, the less likely he is to soil there — so even if your dog isn't having accidents, his crate or confinement area floor should be cleaned at least once a week using odor neutralizer. (thehousebreakingbible.com)