Things You'll Need
If the odor is in carpet, clean the carpet first to help eradicate the odor faster.
Wear a dust mask when spreading lime powder to reduce the chance of inhalation.
Lingering odors can make life very uncomfortable for those who are constantly exposed to them. Many homeowners who are unfortunate enough to have a lingering odor in their house, such as those caused by pet stains, trash spills or dead wildlife, often seek a way to rid their house of these odors without having to resort to harsh industrial chemicals. One option for these homeowners is to use lime, which can effectively eradicate stubborn odors.
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Purchase a case of lime powder from a supermarket, pet supply store, or home and garden supply store.
Find the source of the odor. If the area is a large one, try to find where the odor is strongest, as this is most likely the source.
Sprinkle a generous amount of lime powder, about half a cup per square foot, on the source of the odor.
Sprinkle a smaller amount of lime powder, about one cup per ten square feet, around the source of the odor in a large circle.
Repeat this in two weeks if the scent returns.