The best option is to get to stains is the minute they occur timely responses to carpet stains will prevent the problem of reoccurring carpet stains.
Removing recurring carpet stains.
Treat the stain prior to removing the moisture left behind to ensure the liquid and stain are effectively removed.
The other common cause of reappearing stains is something referred to as wicking.
Removing these stains from carpet or upholstery especially stains that have set in over time and keep returning to the surface can be frustrating.
A reappearing stain called wicking may get removed from the surface with traditional cleaning methods but not from the carpeting or upholstery padding underneath.
So after you use a carpet cleaner try applying warm water on the stain to wipe the surface of the carpet clean.
The majority of the excess moisture can be drawn up by placing the old towel over the spot and weighing it down with a heavy object for several hours or even overnight following the stain removal process.