Why Stains Reappear after a Traditional Carpet Cleaning (2023)

Why Stains Reappear after a Traditional Carpet Cleaning (1)Have you ever had to endure the frustration of having spots and stains reappear a short time after a carpet cleaning? If so, you are not alone. The reappearance of spots and stains is actually a very common occurrence when a carpet is "cleaned" using a traditional shampoo and rinse method.

Sometimes, spots can reappear as soon as the carpet dries. Other times, the spots come back after several weeks have passed. Either way, it can be quite annoying to see spots and stains re-emerge on a carpet you thought was just professionally cleaned.

There are two primary causes of carpet re-spotting: Wicking and Residue. One originates below the carpet fibers, in the backing or pad of the carpet. The other originates in the carpet fibers themselves.

1) Wicking

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Stains that resurface as a result of wicking originate below the carpet fibers. In these cases, the original stain has not only soiled the carpet fibers, it has also penetrated into the carpet backing and underlying pad.

While attempting to remove a stubborn stain, the carpet may have received too much moisture during the rinsing phase. An excessive rinse can saturate the area and allow water to penetrate into the carpet backing and pad. The rinse water then mixes with the deep stain and becomes dirty and discolored.

Some of this dirty water is drawn out of the carpet during the extraction portion of the cleaning process, but much of it remains behind in the carpet backing and pad. Then, as the moisture evaporates and the carpet dries, this dirty water gradually wicks upward into the carpet fibers. The once deep stain rises to the surface where it becomes visible.

If spots and stains reappear as soon as the carpet dries, wicking is most likely to blame. Basically, wicking is caused by over-wetting the carpet, backer and pad.

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Zr Clean™ is applied to your carpet fibers by a patented high-pressure, controlled spray system that loosens embedded dirt and removes it through our powerful and patented extraction wand.

Our extraction wand was designed to smooth airflow and boost water recovery performance. It leaves half of the residual moisture per square yard as other top selling wands on the market, which means your carpet will dry faster. Combined with six high-efficiency jets that penetrate down to the base of the carpet fiber, we are able to remove embedded soils, dried detergents (left behind from previous cleaners), and other debris.

(Video) 5 Stubborn Carpet Stains & How To Remove Them!

Why Stains Reappear after a Traditional Carpet Cleaning (2)

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2) Residue

Stains that reappear as a result of residue originate within the carpet fibers themselves. In these cases, some of the shampoo, soap or other cleaning agent used in a traditional cleaning process was left behind in your carpet. Even after the carpet dries, the residue will remain.

Because shampoo and soap residue is quite sticky, it attracts dirt and grime. This is particularly noticeable in high traffic areas because every time someone walks on the carpet, the soil from their shoes will stick to the residue in the carpet fibers. Likewise, any settling dust particles will adhere to the residue in the carpet.

Residue is why carpets cleaned with traditional methods become re-soiled so quickly. Even vacuuming the carpet will not release the soil stuck to the residue within the fibers. The same spots appear to come right back, but in reality it is mostly new soil that becomes stuck to the detergent residue within the carpet fibers.

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If spots and stains reappear several weeks after your carpet has been "cleaned", excessive soap residue is most likely to blame. Traditional cleaning methods simply cannot extract all of the residual soap from your carpet.

Experience the Zerorez Difference

Unlike traditional carpet cleaning methods, spots and stains are much less likely to reappear with the revolutionary Zerorez cleaning system.

Our specialized cleaning wand does not allow moisture to penetrate the carpet backing. This prevents any deep stains in the backing or underlying pad from wicking upward into the carpet fibers.

In addition, our patented and eco-friendly cleaning agent - Zr Clean™ - thoroughly cleans your carpet while leaving absolutely no residue behind. Zero residue means your carpets will stay clean longer!

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You don't have to put up with recurring carpet stains. Contact your Atlanta-area Zerorez at (770) 242-1313 or click here to schedule an appointment. Nobody gets your carpets cleaner than Zerorez!

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Why do spots keep appearing on my carpet? ›

Something that attracts dirt got on the carpet. This causes over 97% of recurring spots. A partial list of substances that attract dirt are: sugar, oil, detergent, grease, adhesive residue (such as after removing tape), soft drinks, urine, ice melt, and butter.

Why do stains come back? ›

Wet cleaning or carpet stains can cause excess moisture to reach the carpet backing. As the water evaporates and the carpet dries the stains can travel back to the surface of the carpet via the carpet fibres. Causing the stain to reappear on the surface of the carpet.

Why does my carpet have brown spots after cleaning? ›

Wicking is when the carpet gets wet from cleaning, and the deeper parts of the carpet fibers absorb all that excess moisture. The deeper parts of the fiber then push that moisture upward through evaporation to the surface of the carpet, and this causes the browning of your home's carpet.

Why did my carpet cleaner stain my carpet? ›

Soiling occurs when residue is left behind on the carpet fibers from the carpet cleaner used to treat the original stain. If not completely rinsed and blotted, the residue becomes sticky and attracts dirt and soil to the same spot, which can cause look like the stain has returned.

Can carpet stains be permanent? ›

Carpet stains come in all different forms. Some spots on carpet are permanent stains while others can be removed with little effort. Understanding what kinds of stains you're working with will determine the best method for removing the carpet stain.

What does a carpet bug infestation look like? ›

Here are the signs that you may have carpet beetles:

Thin, bare areas on wool or wool-blend rugs. Damage to wool clothes, blankets, etc. Hairs falling out of furs. Shed larval skins in hidden areas.

Why do spots keep appearing? ›

Sebaceous glands lubricate the hair and the skin to stop it drying out. They do this by producing an oily substance called sebum. In acne, the glands begin to produce too much sebum. The excess sebum mixes with dead skin cells and both substances form a plug in the follicle.

How do you fix spots on carpet? ›

Use the affected area as a template for the patch. Mark out the new shape and cut out. Apply double-sided carpet tape to the patch and carefully place into the hole. Blend the new patch into the existing carpet by gently rubbing the entire surface in the same direction using a roller or dry cloth.


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