High traffic can mat and stain your carpet. Restoring its appearance can be labor-intensive and difficult. These tips will help you clean and protect your investment. Vacuum your carpet daily to remove trapped grit and debris. Sprinkle powdered carpet cleaner on the stains and work it in with a brush. Vacuum after an hour and use a runner to protect the area from future stains. Reappearing stains require specialized treatment. A professional janitorial service uses extremely hot water, powerful cleaners and vacuums to loosen and eliminate unsightly stains. Scheduling a deep cleaning once or twice a year can prevent reoccurrences.