Sprinkle a thin layer of fine table salt or baking soda all over the couch, then rub it into the fabric with a brush. These powders dehydrate and kill flea larvae. Let it sit overnight—or at least eight hours—while you plot your victory.
The next day, vacuum thoroughly again. This step is extra satisfying because you’re basically seasoning the fleas to death. Irony: they’d love to season you with bites, so turnabout is fair play.
