Start as a small dark pencil eraser sized dot in the carpet.
Mysterious dark spots on carpet.
I pre treated the entire carpet with prochem b175 agitated and allowed 20 minutes dwell time.
I have some dark grayish spots appearing on the tan carpet in my living room see pic.
Acids pink or orange spots on carpets are caused by as little as 1 hydrochloric acid in solution.
Starting in a hidden or at least not obvious area of the carpet mix 1 cup of distilled white vinegar into a1 gallon of warm water and spray the carpet test area evenly enough to wet the top of the carpet fibres.
This dirty moisture then creates the brown spot in the middle of the carpet.
Apply the mixture to the stain with a cloth.
A very effective general stain remover is a mixture of 2 tablespoons of salt and a cup of white vinegar.
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It could have been colored pencil lead or some other marking material.
The moisture permeates into carpet fibers and seeps down into the carpet pad.
I don t recall this spot encountering any particular moisture so i m not sure what could be causing the spots.
Here are three vinegar solutions that can help you take out tough carpet stains.
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.
It can turn some red dyes to bright blue.
The oil or bunnies get trapped between the primary and secondary backings in the latex coat and slowly wick upwards over time and repeated exposure to moisture.
Let the carpeting dry check for a color change.
The affected area is about 10.
Stomach acid is 10 stomach acid so vomit must be cleaned up promptly and neutralized with a mild alkali such as a detergent solution and rinsed or there will be permanent colored spots.
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How to prevent brown spots on carpet.
The most likely cause of the blue spots and they could have been any color is the introduction of a substance that when wet ran and dyed the carpet.
The spots were in fact oxidised apple juice which had been sprayed onto the carpet by children from some strange looking drinking vessels.
The most likely agent would be a material that was in a powdered form that clumped and fell onto the carpet.