Blood Stain Removal From Clothing That Set In. Wash the garment on the setting you usually would. Use plain cold water to dissolve the blood stain.
Apply detergent for fresh blood stains. You can typically see the blood stain start to lighten in color. Turn the fabric over so the stain is face-down and flush the stain out under cold water.
Turn the fabric over so the stain is face-down and flush the stain out under cold water.
For dried blood stains on light-colored clothes dab some hydrogen peroxide on the stain. If you have a large stain youll want to soak it in a bowl of cold water. Pour three tablespoons of white vinegar and two tablespoons of liquid detergent into a quart-size spray bottle. Wash the garment on the setting you usually would.