The source describes using baking soda as an occasional sofa odor treatment after removing dust and dried debris. It emphasizes starting with dry upholstery. Wet powder can clump and create problems during vacuuming instead of providing a straightforward refresh.

Keep Sofa Powder Treatments Dry and Vacuum-Compatible

Check the furniture and vacuum guidance before using fine powder, and remove any permitted residue thoroughly. This approach does not wash away deep contamination or repair a stain. Persistent smells need their source identified rather than an indefinite cycle of surface deodorizing.

Moist residue can be difficult to remove from fabric and equipment.