The other common cause of reappearing stains is something referred to as wicking.
Carpet stain reappear.
There are two possible reasons carpeting and rugs can be cleaned after a spill appear to be fine and then have the stain reappear later.
If you try cleaning the carpet using your traditional methods the stains will reappear after a while.
You can try vacuuming but the stains will never go away.
This is a common occurrence that has a simple solution.
When you clean the stain you are cleaning the surface of the carpet.
If you remove a stain only to have it reappear later after the spot has been walked on for awhile the new stain is actually from dirt.
If your reappearing stains are due to soiling you ll want to use lukewarm water a quarter cup at most to clean the spot.
Stains that reappear as a result of residue originate within the carpet fibers themselves.
Spills that absorb deep into the backing or pad can get reabsorbed into the carpet fibers and make its way back up to the top of the fiber.
Soiling when you use a carpet cleaner on a stain and the carpet cleaner is not properly blotted or completely rinsed off from the spot it creates a problem called soiling.
It is time you call cleaning professionals to do their job.
A reappearing stain called wicking may get removed from the surface with traditional cleaning methods but not from the carpeting or upholstery padding underneath.
What is the difference between soiling and wicking.
Wicking occurs when the substance that was spilled on the carpet has soaked through into the backing of the carpet and sometimes even the underpad.
Wicking happens when liquid penetrates the rug or carpet to reach the backing and or padding.
Even after the carpet dries the residue will remain.
Recurrent stains are usually not permanent however and can be removed with a gentle wet solution.
The leftover residue becomes sticky over time.
When many people clean carpets they shampoo and move on.
This is caused by the residue from the cleaning solution used to remove the vomit stain being left on the carpet which causes dirt to stick to the area.
When the dirt is saturated it finds its way out of the fabric to the surface of the carpet.
Step 1 make a cleaning solution by filling a bucket 3 4 full with water.
Wicking is another cause of a reappearing stain.
Two reasons carpet and rug stains reappear after cleaning.
Wicking is the result of a stain reaching deep into the carpet and soaking into the carpet backing and sometimes even the pad underneath the carpet.
In these cases some of the shampoo soap or other cleaning agent used in a traditional cleaning process was left behind in your carpet.
When you spot treat a stain you are cleaning the surface of the carpet.
Once you ve rinsed the fibers dry them to the greatest extent possible to keep wicking away.
These stains keep reappearing through a process called soiling or wicking.