I have tried everything. Hopefully you have had success and will pass it on. Thanks.
By Ginny R.
Hatty is right-the lingering odor is likely coming from the soaked underlay of the carpet.
Since you posted your question a few days ago the padding has probably begun to dry but the smell isn't going away. MottmillerCremean is right about the vinegar, but because the accident is a few days old. You're going to have to do some remedial work. You're going to need:
*rubber or disposable gloves
*a big trash bin liner
*a big bottle of vinegar
*and a big stack of old newspaper-avoid using the glossy sections (won't soak up anything) and any colour pages (the ink will run and stain your carpet). Paper towels would be too expensive, you'd need several rolls to do this job properly.
Soak the accident area with full strength vinegar. Yes, it will smell strongly but it will dissipate and take the odor with it. Don't be afraid to use the whole bottle if the area is that big-make sure you soak the entire area including a few inches out beyond the accident in all directions.
Next lay several (at least ten, that's what seemed to be the magic number for me) layers of newspaper over the entire spot and go a few inches beyond the wet area, then step on the newspaper until it's saturated.
Pick those wet papers up and put them into the bin liner bag, then put another set of newspapers down, and repeat the stepping on process. Do this until the newspapers aren't absorbing anymore wet.
When the newspapers have absorbed as much wet as possible to get up, lay a new set over the area, but don't step on them; just leave them for a few days while the spot dries. Make sure no-one else steps on the newspaper, put a piece of furniture over it to create a barrier.
If you can open the windows in the room it may speed drying if your weather permits. If not, consider placing a fan aimed above the spot (not at it or you'll have newspaper all over) to help move the air and dry the spot faster.
I learned this while caring for a beloved elderly pet (neutered male Boxer) in his last years. I had to go to work, couldn't afford doggy day-care and had to come up with ways to cope. I finally started laying newspaper under and over disposable drop cloths and he would use that if I couldn't get home at lunch.
Bless you for caring for your elderly pet. I know from experience that's not an easy job, and a lot of people would not go that far.
I use Natures Miracle. I have never had it fail. The secret is allowing it to soak into the damaged piece of furniture, carpet and flooring (including pads and floor boards) etc. and then allowing it to dry completely. It can take several days.
The problem is often not the top layer of carpet but the bottom underlay. Can you lift it back and replace the section of underlay. You may find that bit is still wet even when the top layer is dry.
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