Things You'll Need
Rinse all surfaces thoroughly if using chemicals. Chemicals can be harmful to your dog if ingested.
Dogs are creatures of habit, and will often urinate in the same spots outdoors. Keep an eye on your dog the next time they go out. Once you identify these spots, rinse them immediately to lessen the likelihood of lingering smells.
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Anyone with a dog knows the unpleasant smell that dog urine can leave behind. The smell can be particularly strong outdoors, as outdoor surfaces are left unwashed. Exposed to the sun and other elements, the dog urine smell can grow intolerable. In addition, dogs are inclined to use the same spot repeatedly. A combination of watchfulness and a few common household ingredients should eradicate the urine smell.
Identify the source of the odor. The spot may still be damp. Otherwise, follow your nose to the area that smells strongest. At night, a black light can be used to identify the spot, which will show as a bright glow.
If the spot is damp, a hose with a nozzle attachment and a little strategically placed soap should eliminate the smell. Adjust your nozzle to the highest level of pressure.
If the surface is porous, such as cement, and the urine has been left to dry, mix a little bleach with water and pour it over the surface. Allow the mixture to sit for 10 minutes before rinsing the area with fresh water.
For grass and other outdoor organic surfaces, sprinkle garden lime on the area of dog urine. Garden lime can be purchased at a garden center. Douse the lime with water. This should not only eradicate any lingering odors, but will neutralize acidity in the grass caused by the dog urine, in turn helping to keep your grass looking green.
Products to help you remove the dog urine smell
There are a number of products available on Amazon to help you remove the dog urine smell outside. Rocco & Roxie Supply Professional Strength Stain and Odor Eliminator is a bestseller on the site, and is made of natural enzymatic bacteria that are activated when coming into contact with odors and stains. The spray is chlorine-free and color-safe, and you can use it around your dog and children. It can be sprayed on all kinds of surfaces, and it'll remove not only the stain but the smell, too.
Another product you can purchase is Nature's Miracle Advanced Stain and Odor Eliminator Dog for Severe Dog Messes, which eliminates urine, diarrhea, and vomit, has a light, fresh scent, and discourages your dog from resoiling the same area. Plus, Nature's Miracle is a trusted brand among dog owners, and this product has over 11,001 ratings on Amazon and 4.5/5 stars.