How To Clean Common Stains Off Non-Wool Carpets
"Important: Do not use any cleaner with a pH of 10 or higher. Before using, always test cleaners on a small, non-visible area for any discoloration of the pile. Abnormally large or excessive stains may require hot water extraction method. Professional cleaning is recommended. If stain returns — a condition known as “wicking” — simply repeat stain removal procedures, paying special attention to blotting and removal of all moisture."