Vinegar is a gentle, natural cleaning product that can be used for many different purposes. Using vinegar on a carpet spot usually is effective at removing the stain, but it also can leave a lingering, acidic odor. If you want to keep your carpet clean and smelling fresh, you can eliminate odors from vinegar by using another gentle household product--baking soda. Baking soda is inexpensive, and the odor removal process is quick and simple.
Blot the area affected by the vinegar if it is still damp. Use a clean, white cloth.
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Sprinkle baking soda over the affected area of carpet and let it sit for about an hour.
Vacuum the carpet thoroughly.
Reapply more baking soda and vacuum again if necessary.