I that’s a little drastic and not fair to the dog/puppy. You don’t have to cut the sub floor out, if you do it right and there is no visible stain on carpet you can replace the area of stained padding for the sub-floor paint over affected area with kills paint, available at Walmart and lumber stores return carpet to use.
I have been removing pet urine and human urine professionally for 27 years with industrial strength hydrogen peroxide. we use 30% H202. you can buy 20 volume or 40 volume clear developer from a beauty supply co. this is peroxide used in bleaching hair. or buy strong peroxide from a pool store. only use on synthetic fibers, saturate carpet and pad, let dry 24 hrs. do not touch with skin til dry, shoes ok. keep pets off spot til dry. if you touch chemical wash immediately, rinse eyes for 15 minutes if contaminated, skin turns white and burns for 15 minutes after washing. the oxygen radicals will neutralize the urea, the odor,and kill the bacteria. it does not need to be rinsed. also works on red wine, blood, coffee, and mold. this is a trade secret. use enough strong peroxide it works every time.
I just recently bought a Bissell ProHeat 2X® Steam Cleaner as we have an 8 month old Boxer that still has accidents.. With the steam cleaner I used Bissell 2X Pet Stain & Odor Formula.. For the smaller areas where she still has some tiny accidents I have used Bissell Pet Stain & Odor Remover – Spray, I’m very sensitive to smells (not like an animal though ) and I have been unable to smell the urine since using these products. I have also noticed when she has another “accident” it’s not in the area I have cleaned, it will be in a new area..
But at just over 5 feet, the hose is average-length. This model might fit the bill if you have a smaller space in a one-story house; it can cover only 15 square feet on one full tank of solution. (Some machines cover twice that area.) But you’ll end up with a carpet that dries easily because this Bissell scores an Excellent on our dryness test.
I know this was a long review and if you made it to the end with me, thanks! I just love this product. The people at SUN really stand behind it and make shopping with them great. They are fast to respond to any questions I have and very helpful. This product is something I will ALWAYS have in my house.
With younger or very elderly dogs who are likely to have more frequent accidents, the blacklight gadget for detecting those dried on stains could be your best friend in keeping your carpets smelling fresh and looking clean – dog urine odor removal could be much more of a breeze than you thought!
I have a 25 yr old satillo tile with concrete grout floor. I have always had a variety of animals in my home and for some reason this has been the place where the accidents happen. I have tried all kinds of things that appear to work but then the smell comes back. Especially in the damp winter time. I have a 23 yr old macaw that does have some respiratory deficiency in the house so I can’t use anything that will harm him.
How to get dog urine smell out of carpet from my experience. We have Resolve for pet stains and odors. We were with our dog when she had her accident inside so we were able to act fast. We blotted the area with a rag to try and pick up as much urine as possible, then sprayed the area and let it set in for a while. Then scrubbed really well and we haven’t noticed a smell or any stain.
CR’s take: For carpet cleaners, this is where it gets tricky: Both of the higher-performing Bissell models on this list have “pet” in their names. This one does, too, but that’s where the similarity ends. Unlike the two Bissells covered above, the Deep Clean Deluxe Pet is only so-so at cleaning and worse than that at leaving a dry carpet behind, scoring a Poor. It’s also several pounds heavier when full of solution—36 pounds, so it can be a bit unwieldy. The ironic part? It costs more than our two top Bissell picks, proving that the price-quality relationship doesn’t always bear out.
I was very ill for a while and could not take my pet girl out as often as usual. She started peeing on the doormat which is just inside the front door on top of the wooden flooring.. I threw the mat out and followed the vinegar/bicarb hints but still the odour persisted and much worse when the central heating is on..I have an oriental type rug runner in the hall and I do not want her to start using this to pee on!!
Look, we all know that dog urine can be problematic. Even in the best of cases, when it’s noticed instantly, it has a tendency to seep into carpeting and sometimes under flooring. This leads to lasting odors in many cases, even where you’ve handled the stains super efficiently.
Finally, if you do want to use a perfumed product to help neutralize the smell, make sure that it is non-toxic to animals. Many products that are safe for humans are not always safe for dogs. Some home air fresheners – sprays, plug-ins and scented oils – can be harmful to a pet’s health, so when in doubt, just stick with the tried and true baking soda solution.
Try the vacuum method. Pour some cold water on the stain and immediately vacuum it up with a wet/dry vacuum. Repeat at least twice, or as many times as is necessary to remove the discoloration. Do not let the water sit; suck it up immediately (within seconds) of each application.
Foul-smelling urine may be due to bacteria. Sweet-smelling urine may be a sign of uncontrolled diabetes or a rare disease of metabolism. Liver disease and certain metabolic disorders may cause musty-smelling urine.
CR’s take: The Rug Doctor Mighty Pro X3 has front-to-back sliding brushes instead of rotational brushes, like other carpet cleaners, similar to the commercial version of the Rug Doctor you can rent. It’s relatively heavy at 43 pounds and takes 3 gallons of water to fill its tank—easily adding up to 25 pounds to its weight—and wasn’t very intuitive when our testers went to fill it up. It does have a long hose, at 155 inches, so you won’t have to lug it at every turn, and its dryness score is Excellent. But unless you have a lot of carpet to clean and plan to clean often, you might want to consider a lighter model. 
My cat peed on our couch while we were away even though we had a cat sitter. I tried the baking soda & vinegar solution with directons #2 and the smell is GONE! I’m so happy – the next test will be if cats do it again on our next trip! But at least we have something to clean it up with!
Many of these pet carpet cleaners feature enzymes that break down odor-causing ammonia within their biological waste, while containing no harsh chemical fumes or smells of their own. They also dry quickly to minimize the potential for tracking the mess through the house. By successfully eliminating deep-set messes, you’ll also be able to get rid of the harmful bacteria and the foul odors they can cause. Find the best carpet cleaner for pets and stain remover solutions for your home at Petco.
I had this same problem with my elderly miniature poodle. The only thing that has worked is a mild sedative, Acepromazine, at bedtime and putting a diaper on her. I might have to keep a diaper on her 24/7 because even though I watch her almost continually she still urinates in the house occasionally. The night time solution came after consultation with her vet. I never tried putting her in a crate, beside the bed at night, this might work. Since your dog is young as compared to my 15 year old dog, I would try the crate thing first. Good luck!
If you do not have any spray bottles you can do the same procedure using the towel or piece of textile. If we want to achieve the best possible result we should make sure that the spot will get completely dry. When you will be sure that the spot is completely dry you can carry on and wash it with warm water and detergent.

I took my puppy from a dog foster home about a year ago. I love him to bits; he has a great personality, and I feel that he loves our family so much. BUT, whenever I leave him at home he pees in the house: on the carpet, on the bed, on flowers..
Pet urine in the carpet not only leaves an unsightly stain and an unpleasant odor, but it penetrates the fibers and contaminates both the carpet and the floor underneath. That’s why it can require specialized cleaning, well beyond just a simple cleaning and treating. The longer an incident goes untreated, the more likely the urine odor is to permeate deeper and deeper into floors, walls and even the framework and foundation of the home. As the urine dries, the liquid evaporates but the urine crystals become even more concentrated and pungent. Simple cleaning will not remove this odor. To help rid your home of the smells caused by pet urine, Chem-Dry applies P.U.R.T. – specially designed to eliminate pet urine odors at their source. While most cleanings only masks the odor, Chem-Dry’s revolutionary Pet Urine Removal Treatment works at the molecular level and destroys the urine crystals to fully eliminate the odor. With P.U.R.T., your most severe pet urine odors can be solved and your carpets, rugs and upholstery can be saved.
Important. Never use ammonia or ammonia-based products on the carpet to remove pet pee. One of the ingredients of urine is ammonia and your dog or puppy may well be encouraged to re-offend in the same area if it detects the smell of ammonia. Many household cleaner cleaners contain ammonia so be sure to read the label.
I have a term for some of my fosters-“ninja pee-er.” These are the pups that somehow manage to sneak off and go potty in a hidden corner and I have a lovely surprise several days later when the stain has set! Even though you haven’t seen any signs of missed accidents, I would suggest checking *meticulously* over any rugs/carpeting for spots you may have missed that set in. Even in corners, behind bookcases, and under beds (or on them!) Where the ninja pee-er strikes, they will strike again, and everything can just compound if you’re missing it.
I just wanted to say ” thank you 🙂 “. . I tried the recipe for stain pet and odor remover in the carpet of a car that I just got. The car was so smelly 🙁 . few days ago I tried a remover that I bought in a retail store and nothing , the strong odor was still there 🙁 . now , the odor is gone 🙂 , I used the recipe # 1 , I love it , it is easy to prepare 😉 .
After you have used the blotting treatment above to deal with wet stains or the blacklight gadget above to locate those ‘invisible; dry stains, it is time to tackle the odor! I like to keep a spray bottle handy containing a 50/50 mixture of white vinegar and water.
Use only 3% Hydrogen Peroxide. Do not use Hydrogen Peroxide that is higher in concentrate than 3%  Bleaching may occur on some carpets with a stronger solution. Read the label on the Hydrogen Peroxide carefully. The label will state the strength.
Claire, thanks for the helpful recipes for these natural carpet cleaner/deserters. I just used the vinegar water baking soda concoction in my carpet cleaner and it worked really well. Keep email comin!
Oh and by the way, in case you are one of the many people who walk into a room and ask,”can you smell something?”, when you know your dog or cat has peed but it’s already dried and there is nothing left but the odor – I am going to reveal how you can find the offending area of carpet or upholstery in seconds and get it dealt with, right away!
I haven’t had an issue, but everyone’s floors are a little different, so I’d suggest trying a small inconspicuous area just to be sure 🙂 Honestly, if it’s a smooth, hard, surface, I usually just mop up and liquids/pick up any solids and then use vinegar with some essential oil in it to clean.
When you’re unable to keep your diabetes in check as a patient of Type 2 diabetes, you could end up with sweet smelling urine. This is due to glucose or sugar from your body spilling into the urine because their levels are too high in your system.9 Other signs that your problem may be diabetes-linked are feeling very thirsty, needing to pee more often (especially at night), tiredness, weight loss, slow healing wounds, blurred vision, and reoccurrence of thrush.10
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Urine composition and function. (2017, August 6). Retrieved from https://chem.libretexts.org/Textbook_Maps/Introductory_Chemistry_Textbook_Maps/Map%3A_Fundamentals_of_General_Organic_and_Biological_Chemistry_(McMurry_et_al.)/29%3A_Body_Fluids/29.8%3A_Urine_Composition_and_Function
I have had this for a couple years and have had nothing but problems with it since I got it! Bissell is cheaply priced for a reason! I swore their vacuums off long ago, I should of never caved and got a rug scrubber made by them. This thing has been nothing but a pain, it does not clean at all! when my carpets were damp they appeared clean, once fully dried all stains were still there! And I used their expensive cleaning solutions! Then the dirty water started mixing with the clean water no fix there unless you want to buy a new water tank/bladder I wasn’t looking to spend more money on a piece of junk . Then it stopped spraying – fixed that issue by watching YouTube videos, now it leaks water out from some where that I can’t figure out, during use, and then when I shut it off I get a huge amount coming out from behind a wheel and end up with a puddle on the floor! Do not waste your money on any Bissell product! I know I won’t ever do it again, I’ll stick with Hoover & Eureka!
I purchased this product last year, and it really does do a nice job at removing the odor from the cat urine. I have wood floors, and I’ve used it plenty of times directly on the wood floor with no negative consequences to the wood.