Brown Spots After Carpet Cleaning

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