Try to avoid a UV flashlight with a wavelength of 395 or 400 nm. They are less useful in finding pet urine because they are emitting blacklight that is very close to visible light. For best results, we recommend going with a UV flashlight with 365 to 385 nm UV lights.
If the urine is fresh or not entirely dry, the glow it emits will be faint or nonexistent. Even if the stain has had time to try, humidity in the air (e.g., in the bathroom, kitchen, or outdoor areas) or moisture on the stained surface may impair the efficacy of the black light.
Use a Blacklight to Find Urine Stains! If there are no smells or your dog isn’t repeatedly marking one area, it doesn’t mean you’re in the clear. 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.
Black lights emit a type of ultraviolet radiation called UVA, which is invisible to the human eye. They are often used in industry, nightclubs or amusement parks to make things glow. This glow is the energy emitted by the light being converted into visible light by particles called phosphors.
Vitamin A and the B vitamins thiamine, niacin, and riboflavin are strongly fluorescent. Try crushing a vitamin B-12 tablet and dissolving it in vinegar. The solution will glow bright yellow under a black light.
Petroleum jelly, such as Vaseline, which glows bright blue under a black light. Ripe bananas glow fluorescent blue under a black or ultraviolet lamp.
At nighttime, with the lights off in your home, you can find urine by sweeping any suspected area with your blacklight. It’s best to hold the blacklight about 1-3 inches away from the carpet or other surface you’re examining. Look for that bright yellow color!
They’re a familiar sight to most, but America’s only marsupial has a secret: beneath their furry exterior, opossums glow hot pink under the right light – not headlights, but ultraviolet light.
The lights cause materials such as bacteria, urine, seminal fluids and blood, to “fluoresce,” so that the naked eye can detect them. Typically, UV lights are used to test surfaces especially when there is a disease outbreak or any sudden increase in occurrences of a specific disease at a particular time or place.
Using the sun has been a popular method of stain removal for nappies, and many believe that the sun sanitises. With enough of a decent detergent, adequate agitation, and if needed a laundry booster, stains will be removed by the washing machine.
Mark off a strip of the banana with duct tape, then let the light shine for 15 minutes. When you peel the tape away, you should see a clear line where the light has “tanned” the banana. If the banana skin hasn’t darkened, you probably have a fake UV-C light.
Cat pee can be hard to get rid of, but it’s definitely not impossible. If even the best enzyme cleaner doesn’t seem to remove the smell completely, or if kitty keeps returning to the same spot, try the process several times.
Besides being the main culprit behind cat urine’s noxious smell, exposure to ammonia can leave your kitty with irritated eyes, nose, throat, lungs and skin an even trigger asthma or upper respiratory infections, which can be dangerous and costly with vet visits.
A-Z-Animals Top Picks for Enzyme Cleaners for Cat Urine- Simple Solution Pet Urine Destroyer.
Emmy’s Best Pet Products Enzyme-Based Pet Odor & Stain Eraser.
Nature’s Miracle Cat Enzymatic Stain & Odor Remover.
Urine Off Cat & Kitten Formula.
Nature’s Miracle Deep Cleaning Carpet Shampoo.
The ultra-violet rays used by black lights use the same wavelength as biological waste such as urine. When using a backlight to find cat urine spots , turn out the lights and shine the black light over all areas of the carpet. Most urine stains will produce a noticeable glow.
A forensics expert in the article explained that semen stains are smeared “all over the place” in many other hotels, the traces visible from their telltale glow under UV lamps. Wait, does semen really glow in the dark? Sort of. Semen won’t give off light like a glow-in-the-dark sticker, but it does fluoresce.
As mentioned above, fluorescent tubes use the same technology to create ultraviolet radiation as the UVC bulbs, but they use different phosphors to convert that UV radiation to visible light. The phosphors absorb the UV, making them safe, and emit visible light.