Urine Off UV Urine Finder Black Light 6.5" x 1.5" x 1.5"

The crystalline structure of dried urine causes it to fluoresce a dull yellow color under ultraviolet (UV or "black") light. Thus, a Black Light becomes a valuable tool for locating the exact areas that need Urine Off. How do you tell what's urine and what's not? The color is the first clue. After that, you'll use common sense and sometimes your sense of smell. You probably have a good idea where the cat or dog has "gone," or the baby or elderly family member has had an "accident." The Urine Off UV Urine F