Which pet owner does not know this? Even already house-trained dogs and cats can cause little accidents, but especially puppies and older dogs like using the carpet to pee.
Urine traces are often difficult to remove.
Our four-legged friends have a pronounced sense of smell and always return to the same places. Therefore, you have to thoroughly clean. Try the microbiological cleaner from Biodor. For your pet absolutely harmless it removes very stubborn traces.
Also in this category cat litter boxes and tools for cleaning stables, kennels and outdoor areas here.