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.
Dark spots on carpet after cleaning.
Carpet cleaning cleaning included spots pet kid and husband.
If you are not sure of what you should use purchase the spotter at a janitorial or carpet cleaning supply house.
Sometimes spots can reappear as soon as the carpet dries.
You need a low ph acid cleaner of about 2 0 to safely remove the brown discoloration from your carpet.
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.
The solution for this type of returning spot is to use a spot cleaning product that leaves minimum residue.
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.
Soiling occurs when residue is left behind on the carpet fibers from the carpet cleaner used to treat the original stain.
The moisture permeates into carpet fibers and seeps down into the carpet pad.
This caused the carpet to turn brown or to brown out as it s called in the carpet cleaning world.
Other times the spots come back after several weeks have passed.
The reappearance of spots and stains is actually a very common occurrence when a carpet is cleaned using a traditional shampoo and rinse method.
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.
That is what s causing spots.
This dirty moisture then creates the brown spot in the middle of the carpet.
Wicking this is when the carpet stain has soaked through to the backing of the carpet.
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.
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 cleaning uses a non soapy non foamy cleaning solution so there s not sticky residue.
The leftover residue becomes sticky over time.
If the spots are dry skip this step and move on to step 3.
Step 2 use a wet vacuum to suck up the water and cleaning solution left behind from the previous carpet cleaning.
How to prevent brown spots on carpet.