But if your rug still looks dingy or holds onto odors, it's probably time for a deeper clean. What you'll need:VacuumCarpet cleaning sprayCarpet cleaning machineCarpet cleaning solutionClean water1. Apply a carpet cleaning spray to any visible stains or use a portable carpet cleaner, like the or , following the product instructions. Follow the manufacturer's instructions to fill the machine with clean water and the recommended amount of carpet cleaning solution. Starting at the far end of the rug, make slow, steady passes with the carpet cleaner, pulling the machine toward you as it sprays, scrubs, and extracts.