How to remove dried blood stains

Written by ashley kurz
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How to remove dried blood stains
Blood stains are among the most difficult stains to remove. (Jupiterimages/ Images)

Blood leaves one of the most obvious types of stains on clothing, carpets and upholstery. This is because blood is difficult --- and sometimes impossible --- to remove completely. Dried blood stains are even more difficult because the blood cannot be simply soaked away from the surface. While you may not be able to remove every trace of blood, proper stain removal techniques can help you to make a dried blood stain inconspicuous or nearly invisible.

Skill level:

Things you need

  • Stiff-bristled scrub brush
  • Bucket
  • Washing powder
  • 1/2 cup cornstarch
  • 1 Tbsp salt
  • 1/4 cup hydrogen peroxide
  • Mixing bowl
  • Spoon
  • Vacuum
  • Dish soap

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    Clothing and Other Loose Fabrics

  1. 1

    Scrub the stain with a dry stiff-bristled brush to remove dried blood from the surface. This prevents the surface blood from soaking back into the fabric.

  2. 2

    Fill a bucket with 1 gallon of cold water and 1/4 cup of washing powder.

  3. 3

    Soak the stained clothing or fabric in the bucket overnight.

  4. 4

    Rinse the clothing or fabric under cool water in a utility sink to remove the soap and any expelled blood.

  5. 5

    Wash the item in a washing machine on a cool setting and hang it to dry.

    Upholstery and Mattresses

  1. 1

    Mix 1/2 cup cornstarch, 1 tbsp salt and 1/4 cup hydrogen peroxide in a small mixing bowl with a spoon.

  2. 2

    Cover the stain with a thick layer of the cornstarch mixture and allow it to dry into a crust.

  3. 3

    Chip away the crusted mixture with the spoon and use a vacuum hose to remove bits that have embedded into the fabric.


  1. 1

    Add a tbsp of dish soap to 2 cups of cold water.

  2. 2

    Dip a sponge into the soapy water and press on the stain to wet the dried blood. Do not rub.

  3. 3

    Blot the stain with a paper towel. You may notice some of the blood colour on the paper towel. This means the process is working. Repeat the process until the stain is gone.

Tips and warnings

  • Always follow the proper stain removal procedure. Do not make a permanent mistake in a panic over your favourite shirt or sofa.

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