List Of How To Detect Pet Urine With A Black Light References. Web fortunately, uv blacklights can detect old dog urine stains, allowing you to locate and clean them. Web like a detective, this effective uv blacklight flashlight can quickly find the dry urine left behind by your pet.

Rather than putting your nose to the floor trying to discover where that smell is coming from, you can find dried urine stains on carpet and furniture with a blacklight. Uv light causes many substances to fluoresce, or glow,. Use a blacklight to find urine stains!