The ph of your carpet was left too high after cleaning.
Why did my carpet yellow out after cleaning.
The first one is not really a problem and is really just that you are seeing the actual original color.
If you do find that your carpet is wet after cleaning then use fans to help it dry faster before wicking can occur.
Spots caused by benzoyl peroxide are yellow to orange in color on most carpet pinkish on blue carpet.
Test the cleaning solution on a small portion of the carpet before using it to be sure the cleaning product will not harm your carpet.
These stains occur if there is too much cleaning solution and water used during the cleaning process.
Good professional cleaners have the proper equipment to extract the moisture from the carpet leaving it almost dry.
Stains that reappear as a result of residue originate within the carpet fibers themselves.
What is carpet yellowing.
Eco clean carpet cleaning explains why phenolic yellowing occurs what you can do to prevent it.
In these cases some of the shampoo soap or other cleaning agent used in a traditional cleaning process was left behind in your carpet.
It was traced back to the cushion and pressure from the mills put an end to it.
The kind of yellowing is noticeable because it is a very bright canary or legal pad yellow.
This caused the carpet to turn brown or to brown out as it s called in the carpet cleaning world.
Deep stain came to the surface.
Brown stains can often occur after a carpet cleaning.
Even after the carpet dries the residue will remain.
When stain resist carpet came into existence many yellowing discolorations appeared especially after cleaning.
Additionally choose a reputable professional to clean your carpet.