The moisture permeates into carpet fibers and seeps down into the carpet pad.
Dark spots on carpet after cleaning.
If you are not sure of what you should use purchase the spotter at a janitorial or carpet cleaning supply house.
You need a low ph acid cleaner of about 2 0 to safely remove the brown discoloration from your carpet.
Sometimes spots can reappear as soon as the carpet dries.
Wicking this is when the carpet stain has soaked through to the backing of the carpet.
Other times the spots come back after several weeks have passed.
When the remaining carpet cleaner is left to stew in your carpet it will begin to attract dirt debris and soil in the same spot making it appear like the same stain is coming back time and time again.
How to prevent brown spots on carpet.
The leftover residue becomes sticky over time.
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.
If the spots are dry skip this step and move on to step 3.
They should come back out and re rinse the carpets with an acid rinse.
Oily sugary soapy residues will all picks up soil and the result is often dark returning spots after carpet cleaning.
This caused the carpet to turn brown or to brown out as it s called in the carpet cleaning world.
The solution for this type of returning spot is to use a spot cleaning product that leaves minimum residue.
Very likely what happened is that the spot cleaning product you used was of the wrong kind and actually removed or somehow affected the dye in your carpet and therefore created a permanent discoloration.
Step 2 use a wet vacuum to suck up the water and cleaning solution left behind from the previous carpet cleaning.
If not completely rinsed and blotted the residue becomes sticky and attracts dirt and soil to the same spot which can cause look like the stain has returned.
Carpet cleaning uses a non soapy non foamy cleaning solution so there s not sticky residue.
If your carpet has brown spots after cleaning call back the company that you had clean your carpets.
There it soaks up soil dirt and bacteria in the pad and then through evaporation it pulls all of the soil to the surface of the carpet.
Carpet cleaning cleaning included spots pet kid and husband.
That is what s causing spots.
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.