Out of all the unpleasant smells you can encounter in your home, pet urine is the worst. It is stinky and very hard to get rid of. Besides, it is highly concentrated and contains ammonia.

Cleaning your floors, upholstery, or carpets is the best way to eliminate pet urine. However, you must find the source even to have a chance of removing the odor.
Unfortunately, old pet urine stains are invisible to the naked eye. But what if there was a way to identify the location of pet urine with ease? This is why you need the best blacklight for pet urine detection.
While there are many LED blacklights in the market, not all of them are effective. That is why I have created this review –to help you identify and select the best blacklights to detect hidden pet urine and stains in your home.
Best blacklights for pet urine detection – Our top 5 picks
The top 5 blacklights for pet urine detection are:
Product | Batteries | LEDs (#) | Wavelength (nm) | Price |
---|---|---|---|---|
Escolite | 3 AA | 51 | 390 to 395 | |
Vansky | 2 AAA | 51 | 365 to 395 | |
TaoTronics | 3 AAA | 51 | 395 | |
Keenstone | 3 AAA | 2 | 395 | |
Brionac | 6 AA | 128 | 385 to 395 |
Here is a detailed review of each product.
1. Escolite UV flashlight black light
The intense UV light and the compact size make it perfect for spotting cat and dog pee in the house. However, you can also use it in other ways, such as spotting rodent litter, pests (bed bugs, scorpions, vegetable worms), and lighting glow parties.
What we like
- Strong and intense illumination
- A lightweight, compact design
- A strong and robust built
- It can be used for multiple purposes
What we don’t like
- Its 4.5 volts batteries only last about 4 hours of full use.
That being said, if you are looking for a pet urine detector that won’t have a problem spotting stains, the Escolite 51 LED blacklight torch is a perfect solution. It is strong and intense and can be used for several purposes.
2. Vansky 51 LED blacklight pet urine detector
The UV flashlight is designed for pet urine detection at home. However, it can also be used for several other applications, including spotting other body fluids, forensic uses, counterfeit verification, spotting insects and rodents, lighting up UV body paint, etc.
What we like
- Strong and intense UV light
- A durable construction
- A compact, handheld, portable design
- Wide range of uses
What we don’t like
- With a 3-volt battery, it isn’t suitable for extended use.
However, it is an incredible UV flashlight unit that will help you identify pet urine stains with ease thanks to the bright, intense light and wide flood illumination.
3. TaoTronics TT-FL002 black light
The flashlight also comes with stylish UV safety glasses. This allows you to work easily without fear of harming your eyes with UV rays.
What we like
- Intense illumination from UV LED bulbs
- It comes with safety glasses and batteries
- A lightweight, compact design
- Excellent battery life
- Multiple uses
What we don’t like
- It isn’t water-resistant. Therefore, it’s not ideal for outdoor use.
- Doesn’t spot wet urine easily
Nonetheless, it is a great purchase if you just want to spot pet urine at home. Its bright and intense light, wide illumination, long-lasting batteries, and ergonomic design make it easy to use.
4. Keenstone 2-in-1 Tactical flashlight
It is a multipurpose flashlight that can be used for many purposes. The blacklight is perfect for spotting pet urine stains and scorpions and authenticating currency and IDs. The white light is ideal for camping, hiking, hunting, etc.
What we like
- Strong, hardy built with aviation-grade Aluminum casing
- A super-bright illumination in both white and blacklight mode
- Powerful zoom feature for switching between spot and wide flood illumination
- A wide range of uses
What we don’t like
- Basically a tactical flashlight with a UV mode.
However, it is a great unit for detecting pet urine, especially due to its wide-flood and spotlight functions that allow you to spot and identify stains with ease.
5. Brionac 128 LEDs UV black light
The flashlight is powered by 6 AAA batteries, which give a more intense light for longer periods.
What we like
- A wide and brighter light makes it easy to spot pet urine
- Long-lasting batteries for longer use
- A hardy body from heavy-duty grade aluminum alloy
- Perfect for cleaning the house or checking stains in hotel beds
- Heat dissipation to avoid overheating
What we don’t like
- It isn’t water-resistant. Therefore, not the best for outdoor use.
However, if you are just looking to spot pet urine or spot pests and rodents, it is a perfect choice. The super-bright and wide illumination means you won’t have trouble finding what you are looking for.
Things to consider when buying a blacklight for pet urine detection
Looking for the best blacklight for urine detection? Below are some of the things to look at to make sure you get the best one:
1. Intensity
You need a strong UV light to be able to spot even the smallest of stains.
For the best illumination, it is a good idea to choose a blacklight with several LED bulbs and high battery capacity.
2. Wavelength
There are lots of blacklights, but not all of them are suitable for dog and cat urine detection. The reason for this is the wavelength of their UV light.
The recommended wavelength for detecting urine from pets is 365 – 385 nm.
3. Portability
Pet urine stains are usually hidden and thus will require some maneuvering to locate them.
As a result, you need a portable blacklight to make your task easier.
What is the best wavelength for urine detection?
Pet urine is only visible under UV light and at specific wavelengths. The recommended wavelength range is between 365 – 385 nm, but 390nm and 395nm are still ideal for detecting urine.
However, other factors affect visibility. These include natural light interference, which is why it is advised to search for spots in a dark environment. Pet urine might also be hard to spot when it is wet.
Lastly, intensity also matters. As a result, your blacklight must be powerful and bright, and you might need to move closer to suspected areas so as to increase illumination.