For a natural bleach solution that s great for removing old mildew stains from white fabrics try using hydrogen peroxide which should be very cheap at most grocery and department stores with the following steps.
Remove mold stains from fabric.
Scrub off the mold stain.
Since mold stains are hard to remove you should also pre soak your stained garment before washing it.
This works better than regular water on mold.
Blot it on the mold and allow it to work for a minute or so.
Firstly you need a container to mix the products in.
Set your washing machine to the hottest water setting allowed for the specific fabric and let the washer drum begin to fill with water.
If there s only a small mold stain you can try using a 3 percent hydrogen peroxide solution.
Add 2 tsp of tea tree oil to 2 cups of water and mix well.
Be gentle and try not to damage the fabric in the process.
Apply a mold stain remover such as household soap white vinegar or bleach and use a toothbrush to brush off the surface mold.
Allow the hydrogen peroxide to set for 15 minutes.
Follow these 5 steps to remove mold from fabrics.
Add a few drops of tea tree oil to the vinegar solution to get extra effectiveness.
Spray the mixture onto your fabric.
In fact using tea tree oil to remove mildew from fabric is the favorite method of a lot of people and there is almost no cases that tea tree oil fails to work properly.
Add 1 4 cup laundry detergent and 1 to 2 cups of white vinegar to the water.
Use a cotton swab or a clean rag to dab hydrogen peroxide directly onto the stain.