Mustard seeds contain tannins, another throw in of dye, which could contribute to the problem.
Because mustard sets so quickly, dealing with it right away is necessary for the best results.
There are different steps to follow depending on the fabric.
The Spruce / J. R. Bee
Do not use warm water or it can set the mustard.
Choose one of these treatment methods.
Note that you cannot use dry-cleaning solvent onleather,suede, or velvet, however.
The Spruce / Sarah Gualtieri
If the mustard has dried, take the garment to a dry cleaner.
These instructions are only for fresh stains.
Then apply a wet sponge with a few drops of distilledwhite vinegar.
The Spruce / Sarah Gualtieri
Tamp again to loosen the stain and then flush with cold water.
Check to see if the stain is gone.
If it remains, and the fabric is white, continue to the next step.
The Spruce / Sarah Gualtieri
Do not bleach longer than 15 minutes, and then flush with cold water and let the fabric dry.
Combining hydrogen peroxide and ammonia can produce strong-smelling fumes.
Use with caution and only in a well-ventilated space.
The Spruce / Sarah Gualtieri
Be careful not to saturate the fabric because excess moisture can cause problems with the cushion fillings.
Allow the upholstery to air-dry away from sunlight and direct heat.
Before cleaning any furniture, always follow the manufacturer’scare label on cleaning upholstery.
If the stain persists after your best efforts, chances are that it’s permanent.
A professional dry cleaner may be able to reduce the discoloration further.
Explain the steps you’ve already taken and the products you’ve tried.
Soak the stain for 20 minutes, rinse with hot water, and wash normally.
make a run at tackle it using oxygen bleach.
Mix oxygen bleach and cool water following the package directions.
Use a soft-bristled brush to work the solution into the carpet.
Let the solution sit for at least one hour.
Dip a clean white cloth into plain water and blot the area to rinse.
Air-dry and then vacuum.
