Purchase a low ph acid cleaner from a janitorial supply store.
Brown spots on carpet after cleaning.
Also your carpet needs to be raked with a carpet rake.
Deep stain came to the surface.
Usually the brown spots are going to be pretty large widespread and may appear streaky with a brown out.
Wicking is when the carpet gets wet from cleaning and the deeper parts of the carpet fibers absorb all that excess moisture.
How to clean brown stains after carpet cleaning step 1.
My carpet turned brown after professional carpet cleaning carpet ph left too high.
You need a low ph acid cleaner of about 2 0 to.
It will lift the carpet pile and will allow your carpet to dry faster.
To ensure that carpets do not develop this cellulose browning your carpet cleaning technician should do extra drying passes over the carpet.
Wicking occurs when carpet is stained deep down to the bottom of the fiber and then is moistened through cleaning.
The ph of your carpet was left too high after cleaning.
Sometimes the high ph hasn t been fully rinsed out of the carpet.
Carpet browning is a directly related to the process of wicking.
How to avoid brown spots after carpet cleaning.
The carpet should also be raked with a carpet rake.
Carpet wicking is the culprit for reoccurring brown spots.
Those brown spots and patches that occur after a deep carpet cleaning are a direct result of carpet wicking.
Use a wet vacuum to suck up the water and cleaning solution left behind from the previous carpet cleaning.
The second case usually is that a stain wicked back up from the bottom of the carpet.
Carpet raking lifts the carpet pile allowing it to dry faster and leaves the carpet fluffy instead of matted and crushed.
These brown spots will not appear if your carpet cleaning technician takes extra caution to extract all the water from your carpet during the drying process.
The deeper parts of the fiber then push that moisture upward through evaporation to the surface of the carpet and this causes the browning of your home s carpet.