It is important for you to learn the proper technique to remove stains that are old. Sometimes difficult to remove stains immediately. If you are faced with old wine stains or coffee, do not panic; many carpets prepared with anti-stain chemicals, so the stain is usually not too difficult to clean. You can use a spray bottle filled with vinegar to spray a little bit stained area and then wipe with a cloth. For deeper stains, you can clean the Area rug carpet cleaning with vinegar or carpet, sprinkle with baking soda and vacuum the area after the baking soda dries.
You should not try to rub the stain on the carpet. Rubbing on the carpet will damage the fibers and make the stained area look worse. However, you have to remember to not spray the stained area with too much vinegar, water, or other liquids because if they are absorbed too deep into the carpet when it dries, it can cause mold growth. Carpets which are thinner can be effectively cleaned using a mixture of lemon and salt. Thus, you have to clean the stained area with caution to avoid different color left on the carpet.