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Dog next to exposed stain with pet urine detector
Housebreaking

The Best Pet Urine Detectors to Uncover Stubborn Pet Stains

We love our dogs, but we don’t have to love their messes — especially when their messes involve lingering urine odors long after the supposed mess has been cleaned. Urine detectors help pet parents get to the bottom of hard-to-find smells and will take the guesswork out of cleaning up after your pet.

 

UV lights specifically expose any lingering stains causing them to glow. Take a look at the best urine detectors that are up for the job.

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Best Overall Pet Urine Detector
Amazon
Vansky UV Flashlight Blacklight UV Lights
Vansky UV Flashlight Blacklight UV Lights
$10.79 from Amazon
What Humans Love:
  • Effective
  • simple to use
  • long-lasting
Reviewers Say:

The worst pet messes are the ones that linger even after you think you have cleaned them up. This UV urine detector will help you locate the source of smells that are invisible to the naked eye, so that you can be rid of them once and for all. Durable and high-quality, the LED lights have a lifespan of 15 years.

Plus, its portable size makes ...

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The worst pet messes are the ones that linger even after you think you have cleaned them up. This UV urine detector will help you locate the source of smells that are invisible to the naked eye, so that you can be rid of them once and for all. Durable and high-quality, the LED lights have a lifespan of 15 years.

Plus, its portable size makes it easy to store in convenient places like your kitchen drawers or bathroom vanity. It has a 4.4-star rating from 36,000 Amazon reviews with reviewers saying they were shocked to see how much their pets actually marked.
Amazon
Vansky UV Flashlight Blacklight UV Lights
Vansky UV Flashlight Blacklight UV Lights
More Info
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What Dogs Love:

Durable and high-quality, the LED lights have a lifespan of 15 years, meaning that spot your pup frequents often will be no more.

What Humans Love:

This UV urine detector will help you locate the source of smells that are invisible to the naked eye, so that you can be rid of them once and for all.

$10.79 from Amazon
Reviewers Say:

The worst pet messes are the ones that linger even after you think you have cleaned them up. This UV urine detector will...

Read More
+
The worst pet messes are the ones that linger even after you think you have cleaned them up. This UV urine detector will help you locate the source of smells that are invisible to the naked eye, so that you can be rid of them once and for all. Durable and high-quality, the LED lights have a lifespan of 15 years.

Plus, its portable size makes it easy to store in convenient places like your kitchen drawers or bathroom vanity. It has a 4.4-star rating from 36,000 Amazon reviews with reviewers saying they were shocked to see how much their pets actually marked.
Best Budget Pet Urine Detector
Amazon
Simple Solution Spot Spotter HD UV LED Urine Detector
Simple Solution Spot Spotter HD UV LED Urine Detector
Shop on Amazon
What Humans Love:
  • Pinpoints source of smell
  • works in dark rooms
  • small size
Reviewers Say:

This effective tool to helps you detect the source of bad smells left behind by housebreaking accidents and marking. This UV urine detector utilizes 21 powerful ultraviolet lights. It includes three AAA batteries and can be used on multiple home surfaces and fabrics including carpets, bedding, curtains, and couches.

Reviewers love the small s...

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This effective tool to helps you detect the source of bad smells left behind by housebreaking accidents and marking. This UV urine detector utilizes 21 powerful ultraviolet lights. It includes three AAA batteries and can be used on multiple home surfaces and fabrics including carpets, bedding, curtains, and couches.

Reviewers love the small size and that they see exactly where they missed.
Amazon
Simple Solution Spot Spotter HD UV LED Urine Detector
Simple Solution Spot Spotter HD UV LED Urine Detector
More Info
+
What Dogs Love:

This UV urine detector utilizes 21 powerful ultraviolet lights to target exactly where the smell is.

What Humans Love:

Able to be used on multiple home surfaces and fabrics including carpets, bedding, curtains, and couches, reviewers love the small size of this detector.

Shop on Amazon
Reviewers Say:

This effective tool to helps you detect the source of bad smells left behind by housebreaking accidents and marking. Thi...

Read More
+
This effective tool to helps you detect the source of bad smells left behind by housebreaking accidents and marking. This UV urine detector utilizes 21 powerful ultraviolet lights. It includes three AAA batteries and can be used on multiple home surfaces and fabrics including carpets, bedding, curtains, and couches.

Reviewers love the small size and that they see exactly where they missed.
Most Durable Pet Urine Detector
Amazon
UV Stain Detective LED Blacklight for Detecting Cat, Dog & Rodent Urine
UV Stain Detective LED Blacklight for Detecting Cat, Dog & Rodent Urine
$14.27 from Amazon
What Humans Love:
  • Simple to use
  • Effective
  • powerful
Reviewers Say:

Like a detective, this effective UV blacklight flashlight can quickly find the dry urine left behind by your pet. Small and compact, it's easy to store around the house. The model requires AAA batteries, which are included with your order. The UV Stain Detective is also Restriction of Hazardous Substances Directive (RoHS) and CE compliant.

Rev...

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Like a detective, this effective UV blacklight flashlight can quickly find the dry urine left behind by your pet. Small and compact, it's easy to store around the house. The model requires AAA batteries, which are included with your order. The UV Stain Detective is also Restriction of Hazardous Substances Directive (RoHS) and CE compliant.

Reviewers love this handy little tool, saying while you do have to get up close, it really does expose unknown stains.
Amazon
UV Stain Detective LED Blacklight for Detecting Cat, Dog & Rodent Urine
UV Stain Detective LED Blacklight for Detecting Cat, Dog & Rodent Urine
More Info
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What Dogs Love:

Like a detective, this effective UV blacklight flashlight can quickly find the dry urine left behind by your pet.

What Humans Love:

Small and compact, it's easy to store around the house, and reviewers love this handy little tool, explaining while you do have to get up close for it to work.

$14.27 from Amazon
Reviewers Say:

Like a detective, this effective UV blacklight flashlight can quickly find the dry urine left behind by your pet. Small ...

Read More
+
Like a detective, this effective UV blacklight flashlight can quickly find the dry urine left behind by your pet. Small and compact, it's easy to store around the house. The model requires AAA batteries, which are included with your order. The UV Stain Detective is also Restriction of Hazardous Substances Directive (RoHS) and CE compliant.

Reviewers love this handy little tool, saying while you do have to get up close, it really does expose unknown stains.
Our Other Favorites
Chewy
PeeDar 2.0 UV LED Flashlight Urine Detector
PeeDar 2.0 UV LED Flashlight Urine Detector
$19.90 from Chewy
What Humans Love:
  • Pet stains are exposed
  • Repeat accidents are less likely
  • bonus ebook
Reviewers Say:

Invisible pet urine stains from accidents or markings will have no place to hide with this UV light flashlight. It can identify traces of urine on practically any surface in the home, so you can be rid of lingering odors once and for all. Plus, it's super simple to use and easy to keep on hand as it's small and portable for all your accident sleuthing advent...

Read More
+
Invisible pet urine stains from accidents or markings will have no place to hide with this UV light flashlight. It can identify traces of urine on practically any surface in the home, so you can be rid of lingering odors once and for all. Plus, it's super simple to use and easy to keep on hand as it's small and portable for all your accident sleuthing adventures.

Bonus: It also comes with an ebook of "Understanding & Solving Unwanted Toilet Habits" to help you with any destructive pee behavior.
Chewy
PeeDar 2.0 UV LED Flashlight Urine Detector
PeeDar 2.0 UV LED Flashlight Urine Detector
More Info
+
What Humans Love:
  • Pet stains are exposed
  • Repeat accidents are less likely
  • bonus ebook
$19.90 from Chewy
Reviewers Say:

Invisible pet urine stains from accidents or markings will have no place to hide with this UV light flashlight. It can i...

Read More
+
Invisible pet urine stains from accidents or markings will have no place to hide with this UV light flashlight. It can identify traces of urine on practically any surface in the home, so you can be rid of lingering odors once and for all. Plus, it's super simple to use and easy to keep on hand as it's small and portable for all your accident sleuthing adventures.

Bonus: It also comes with an ebook of "Understanding & Solving Unwanted Toilet Habits" to help you with any destructive pee behavior.
Amazon
Angry Orange UV Flashlight
Angry Orange UV Flashlight
$11.99 from Amazon
What Humans Love:
  • shows unknown stains
  • attaches to spray bottles
  • effective
Reviewers Say:

Small and convenient to store, this UV flashlight will help you detect dried up urine stains so that you can finally put those bad smells to rest. Simply turn off the lights and shine it to let those stubborn smelly stains be revealed. You can attach it to the top of spray bottles, so that you quickly clean up that mess once this urine detector uncovers it.<...

Read More
+
Small and convenient to store, this UV flashlight will help you detect dried up urine stains so that you can finally put those bad smells to rest. Simply turn off the lights and shine it to let those stubborn smelly stains be revealed. You can attach it to the top of spray bottles, so that you quickly clean up that mess once this urine detector uncovers it.

Reviewers say that the light is a bit small but is strong enough to reveal any potential stains.
Amazon
Angry Orange UV Flashlight
Angry Orange UV Flashlight
More Info
+
What Humans Love:
  • shows unknown stains
  • attaches to spray bottles
  • effective
$11.99 from Amazon
Reviewers Say:

Small and convenient to store, this UV flashlight will help you detect dried up urine stains so that you can finally put...

Read More
+
Small and convenient to store, this UV flashlight will help you detect dried up urine stains so that you can finally put those bad smells to rest. Simply turn off the lights and shine it to let those stubborn smelly stains be revealed. You can attach it to the top of spray bottles, so that you quickly clean up that mess once this urine detector uncovers it.

Reviewers say that the light is a bit small but is strong enough to reveal any potential stains.
Amazon
GearLight UV Black Light Flashlight S100 [2 Pack]
GearLight UV Black Light Flashlight S100 [2 Pack]
Shop on Amazon
What Humans Love:
  • two pack
  • large light
  • reveals stains
Reviewers Say:

With the GearLight you get two UV lights to help suss out whatever lingering odors may be in your household. Measuring, 5 1/2 inches long, it's pocket sized, making it easy to store. It's also good to bring with you on the road to spot any unwanted pet stains in hotels.

It has a 4.6-star rating and more than 3,000 Amazon reviews. Reviewers par...

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+
With the GearLight you get two UV lights to help suss out whatever lingering odors may be in your household. Measuring, 5 1/2 inches long, it's pocket sized, making it easy to store. It's also good to bring with you on the road to spot any unwanted pet stains in hotels.

It has a 4.6-star rating and more than 3,000 Amazon reviews. Reviewers particularly love that it may be small, but the light itself is large and powerful to reveal urine stains.
Amazon
GearLight UV Black Light Flashlight S100 [2 Pack]
GearLight UV Black Light Flashlight S100 [2 Pack]
More Info
+
What Humans Love:
  • two pack
  • large light
  • reveals stains
Shop on Amazon
Reviewers Say:

With the GearLight you get two UV lights to help suss out whatever lingering odors may be in your household. Measuring, ...

Read More
+
With the GearLight you get two UV lights to help suss out whatever lingering odors may be in your household. Measuring, 5 1/2 inches long, it's pocket sized, making it easy to store. It's also good to bring with you on the road to spot any unwanted pet stains in hotels.

It has a 4.6-star rating and more than 3,000 Amazon reviews. Reviewers particularly love that it may be small, but the light itself is large and powerful to reveal urine stains.
Amazon
Morpilot 2 Pcs UV Handheld Flashlight
Morpilot 2 Pcs UV Handheld Flashlight
$9.83 from Amazon
What Humans Love:
  • two pack
  • large light
  • reveals stains
Reviewers Say:

Find pet and food stains that are otherwise invisible to the naked eye with the Morpilot Black Light. This set comes with two LED lights and have 12 powerful bulbs that make stains shine in the dark. The flashlight itself is well constructed with a water and shock-resistant aluminum alloy, meaning it will last for years of stain searching.

Read More
+
Find pet and food stains that are otherwise invisible to the naked eye with the Morpilot Black Light. This set comes with two LED lights and have 12 powerful bulbs that make stains shine in the dark. The flashlight itself is well constructed with a water and shock-resistant aluminum alloy, meaning it will last for years of stain searching.
Amazon
Morpilot 2 Pcs UV Handheld Flashlight
Morpilot 2 Pcs UV Handheld Flashlight
More Info
+
What Humans Love:
  • two pack
  • large light
  • reveals stains
$9.83 from Amazon
Reviewers Say:

Find pet and food stains that are otherwise invisible to the naked eye with the Morpilot Black Light. This set comes wit...

Read More
+
Find pet and food stains that are otherwise invisible to the naked eye with the Morpilot Black Light. This set comes with two LED lights and have 12 powerful bulbs that make stains shine in the dark. The flashlight itself is well constructed with a water and shock-resistant aluminum alloy, meaning it will last for years of stain searching.
Amazon
DULEX Black Light Flashlight
DULEX Black Light Flashlight
$26.99 from Amazon
What Dogs Love:
  • rechargeable battery
  • durable
  • works from far away
Reviewers Say:

This super powerful black light can work from up to 150 feet away to expose various stains. It's extremely durable and comes with a rechargeable battery, so you can continue to shine a light on stains. It's quite popular, too, with a 4.6-star rating and more than 1,000 reviews.

Reviewers warn, though, that you may be grossed out by all the sta...

Read More
+
This super powerful black light can work from up to 150 feet away to expose various stains. It's extremely durable and comes with a rechargeable battery, so you can continue to shine a light on stains. It's quite popular, too, with a 4.6-star rating and more than 1,000 reviews.

Reviewers warn, though, that you may be grossed out by all the stains you find in your carpet.
Amazon
DULEX Black Light Flashlight
DULEX Black Light Flashlight
More Info
+
What Dogs Love:
  • rechargeable battery
  • durable
  • works from far away
$26.99 from Amazon
Reviewers Say:

This super powerful black light can work from up to 150 feet away to expose various stains. It's extremely durable and c...

Read More
+
This super powerful black light can work from up to 150 feet away to expose various stains. It's extremely durable and comes with a rechargeable battery, so you can continue to shine a light on stains. It's quite popular, too, with a 4.6-star rating and more than 1,000 reviews.

Reviewers warn, though, that you may be grossed out by all the stains you find in your carpet.

What is a Pet​ Urine Detector?

Using a urine detector may make you feel a little bit like Sherlock Holmes. After all, if there was ever a case worth solving it, it's that relentless, lingering urine smell. But UV light will expose any stains and are simple to use. Simply turn off the lights and go on the hunt. Some places to look include: areas by indoor plants, pet beds, under their crate, by draped blankets or long curtains, or by doors that lead outside.

Frequently Asked Questions
Why does urine glow under a backlight?

Urine contains phosphorus, which glows yellowish green in the presence of oxygen. When you use a UV light, it imparts additional energy that makes the change in color easier to see.

Does the smell of dog urine go away?

Dog urine odor will not go away on its own. That is why it is important to first detect the areas where urine has dried up and then treat and clean the area.

How can I make my house not smell like dog urine?

Once you detect the urine spots, you will need to clean the area. There are many cleaning products available as well as at home solutions using mixtures of peroxide, baking soda and dish soap, that can help.

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