If you found yellow streaks on your rug after cleaning there s no need to fret.
Carpet yellowing after cleaning.
Carpet can turn yellow from normal stains chemical stains or phenolic yellowing.
This is very prevalent with rubber backed rugs.
Application of after market stain resisters in the hands of the carpet cleaner will still cause yellowing or browning.
O ccasionally a brownish discoloration appears on a carpet or rug after it has been cleaned.
If the spots are dry skip this step and move on to step 3.
Place one or two dehumidifiers in the room.
The carpet cleaner pitch to consumers of on site stain resist treatment is simply a hyped sales gimmick to.
You need a low ph acid cleaner of about 2 0 to safely remove the brown discoloration from your carpet.
Step 4 hire a professional carpet cleaner if the discolored area of carpet remains after shampooing.
Pour borax over the smelly areas and with the use of a dry brush or a soft broom scrub it in the carpet.
Professional carpet cleaners have access to equipment and cleaning solutions that the public does not.
When stain resist carpet came into existence many yellowing discolorations appeared especially after cleaning.
The other affect that you might see is called phenolic yellowing.
This in turn causes the fibers of the carpet to turn that yellowish or tan color.
You can reverse this by having the carpets cleaned professionally.
You can remove the stain using an acid rinse extraction cleaning isopropyl alcohol vinegar and citric acid among other methods.
It was traced back to the cushion and pressure from the mills put an end to it.
Step 2 use a wet vacuum to suck up the water and cleaning solution left behind from the previous carpet cleaning.
The gas gets trapped under the rug instead of dissipating into the air.
This is basically a reaction that your carpet has all the time if it has butylhydroxyltoluene or bht in the carpet padding or glue.
Another possibility is that the owner has been using some type of high ph spot remover which could turn the carpet a brownish tinge after cleaning especially with a high ph traffic lane cleaner being used.
The kind of yellowing is noticeable because it is a very bright canary or legal pad yellow.
Spread kitty litter over the carpet.
It should soak up the moisture from the carpet along with the nasty smell.
The technical reason is that bht butylhydroxyltoluene which is a preservative used on the backs of many area rugs will let out the bht gas.
The bht is fine as long as it has a way to air out.