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.
Brown spots after carpet cleaning.
As the carpet dries the brown or red color remains on the tips of the tufts.
These stains occur if there is too much cleaning solution and water used during the cleaning process.
You may notice brown stains on your carpet after a thorough carpet cleaning.
Carpet raking lifts the carpet pile allowing it to dry faster and leaves the carpet fluffy instead of matted and.
The age of the carpet is also important.
These changes produce brown or red colorants lignin which can wick up to the face yarns and appear on the surface of the carpet after cleaning.
Wicking occurs when carpet is stained deep down to the bottom of the fiber and then is moistened through cleaning.
How can these brown spots be fixed.
To ensure that carpets do not develop this cellulose browning your carpet cleaning technician should do extra drying passes over the carpet.
Another reason these brown stains occur is that dirt that is usually deep down in the carpet resurfaces as the carpet dries.
A truck mounted system is more effective as it will have more airflow and lifts to remove water from your carpet.
The carpet should also be raked with a carpet rake.
Those brown spots and patches that occur after a deep carpet cleaning are a direct result of carpet wicking.
Before hiring a carpet cleaner you should inquire about the drying process.
Ask them if they are using a truck mounted carpet cleaning process or not.
If your carpet has brown spots after cleaning call back the company that you had clean your carpets.
Cellulose carpet fibers in jute carpet are susceptible to discoloration when exposed to moisture come cleaning chemicals and slow drying.
Aging jute fibers can produce brown or reddish colorants which wick to the carpet surface after cleaning.
Make sure that there will not be brown spots after carpet cleaning.