In order for this discoloration to develop several factors must be present a cellulosic fiber moisture and slow drying.
Carpet turns brown after cleaning.
The water can be clean or dirty it isn t relevant.
These stains occur if there is too much cleaning solution and water used during the cleaning process.
What causes carpet browning.
Wicking occurs when carpet is stained deep down to the bottom of the fiber and then is moistened through cleaning.
Recently i cleaned a wool rug in far west utah where all the fringes had been turned brown due to what is called wicking.
The other affect that you might see is called phenolic yellowing.
Typically there are two major causes for brown spots on the carpet after carpet cleaning carpet ph left too high the ph of your carpet was left too high after cleaning.
This is one of the reasons you never want to subject your carpet to too much moisture as it can lead to brown.
You can reverse this by having the carpets cleaned professionally.
Wicking occurs during the course of drying when either soil or cellulosic material is absorbed from the base of the carpet fiber to the tips of the fiber.
Bht in carpet cushion.
Keep it there a half hour or so and then work on drying it again.
Another reason these brown stains occur is that dirt that is usually deep down in the carpet resurfaces as the carpet dries.
If your carpet has brown spots after cleaning call back the company that you had clean your carpets.
Then try pouring some ammonia and white vinegar into the brown stain.
When i was in grade school a common experiment was taking a stock of celery and placing it in a cup of food coloring.
Bht was used as an antioxidant in the manufacture of rebond cushion.
The cause for brown stains on carpet is moisture and most often water.
O ccasionally a brownish discoloration appears on a carpet or rug after it has been cleaned.
They should be able to get the remaining high ph out of the carpet bring things back into balance and get it looking great again.
This caused the carpet to turn brown or to brown out as it s called in the carpet cleaning world.
This is called wicking.
They should come back out and re rinse the carpets with an acid rinse.
The ammonia and white vinegar may help to pull the mildew out.
One of the causes of this discoloration is a condition called cellulosic browning.
You may notice brown stains on your carpet after a thorough carpet cleaning.
The bht is fine as long as it has a way to air out.
Browning is also very prevalent in all types of cellulosic fabrics such as cotton linen rayon and viscose.