How do you get a musty smell out of a couch?

How do you get a musty smell out of a couch?

Get rid of a mildew or musty scent by misting the sofa with a spray-bottle mixture of 1 cup water and 1 tablespoon white vinegar.

Why does my couch smell musty?

Musty odours are caused due to moisture occurred on upholstered furniture. If you don’t dry out quickly, the smell will convert into mildew and mould. So, the first thing you need to do is to get rid of mould and mildew from your upholstery.