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