Comprehensive Guide: How to Clean Blood from Carpet

How to Clean Blood from Carpet

Blood stains on carpets are particularly challenging due to the protein and iron content in blood, which can bind to carpet fibers. These stains not only look unsightly but can also become a breeding ground for bacteria if not treated promptly. This guide provides a detailed, step-by-step approach to effectively clean blood from carpet, ensuring that your flooring remains clean, safe, and aesthetically pleasing.

Safety Precautions

Cleaning blood from carpet involves handling potentially infectious material. Follow these safety measures to protect yourself:

  • Wear Protective Gear: Always use gloves to protect your skin from direct contact with blood, which can carry pathogens.
  • Ensure Proper Ventilation: Open windows or use fans to ensure good air circulation, especially if you’re using chemical cleaners.
  • Avoid Cross-Contamination: Dispose of or sanitize any cleaning tools that come into contact with blood.

Materials Needed

To effectively clean blood stains from your carpet, gather the following materials:

  • Cold water
  • Clean white cloths or paper towels
  • Mild dish soap or detergent
  • Hydrogen peroxide (3%)
  • Ammonia (optional, for stubborn stains)
  • Baking soda
  • Vacuum cleaner
  • Spray bottle (optional)
  • Spoon or blunt knife (for scraping dried blood)
  • Bucket
  • Soft brush or sponge
  • Wet/dry vacuum (optional)

Step-by-Step Cleaning Process

Initial Blotting

  • Act Quickly: Blood stains are much easier to remove when fresh. Address the stain as soon as possible.
  • Blot with Cold Water: Use a clean white cloth or paper towel dampened with cold water to blot the stain gently. Avoid using hot water, as it can set the stain by cooking the proteins in the blood.
  • Continue Blotting: Keep blotting with fresh areas of the cloth or paper towel until no more blood transfers to the cloth.

Preparing a Cleaning Solution

  • Mild Soap Solution: Mix a teaspoon of mild dish soap with two cups of cold water in a bowl or spray bottle.
  • Hydrogen Peroxide Solution: For tougher stains, use 3% hydrogen peroxide. Always perform a spot test on an inconspicuous area of the carpet to ensure it doesn’t cause discoloration.

Cleaning Fresh Blood Stains

  • Apply the Soap Solution: Dampen a clean cloth with the soap solution and gently blot the stained area. Avoid rubbing, which can spread the stain.
  • Blot and Rinse: After blotting with the soap solution, use another cloth dipped in cold water to rinse the area. Blot dry with a clean towel to remove as much moisture as possible.

Removing Dried Blood Stains

  • Scrape Off Excess: Use a spoon or blunt knife to gently scrape off any dried blood. Be careful not to damage the carpet fibers.
  • Apply Hydrogen Peroxide: Apply a small amount of hydrogen peroxide directly to the stain. Allow it to sit for 5-10 minutes. The peroxide will fizz as it works to break down the blood. Blot with a clean cloth and repeat if necessary.
  • Rinse and Blot Dry: Rinse the area with a cloth dipped in cold water and blot dry.

Dealing with Stubborn Stains

  • Ammonia Solution: For persistent stains, mix one tablespoon of ammonia with one cup of cold water. Apply the solution to the stain, let it sit for a few minutes, then blot. Rinse thoroughly with cold water and blot dry.
  • Baking Soda Paste: Create a paste by mixing baking soda with water. Apply the paste to the stain, let it sit for 30 minutes to draw out the blood, then blot with a damp cloth and rinse.

Final Steps

  • Blot Excess Moisture: Use dry towels to absorb as much moisture as possible from the cleaned area. A wet/dry vacuum can also be useful for this purpose.
  • Vacuum: Once the carpet is completely dry, vacuum to restore the texture of the carpet fibers and remove any residual baking soda.

blood stain cleaned from carpet

Additional Tips for Effective Blood Stain Removal

  • Cold Water Only: Always use cold water for cleaning blood stains, as hot water can set the stain, making it more difficult to remove.
  • Blot, Don’t Rub: Rubbing can spread the stain and damage carpet fibers. Always blot gently.
  • Immediate Action: The quicker you address the stain, the more likely you are to remove it completely.
  • Spot Test: Always test cleaning solutions on an inconspicuous area of the carpet first to ensure they do not cause discoloration or damage.

Preventive Measures

  • Keep a Stain Removal Kit Handy: Having a kit ready with necessary cleaning supplies can help you act quickly in case of spills or accidents.
  • Regular Carpet Maintenance: Regular vacuuming and periodic professional cleaning can keep your carpet in good condition and more resistant to stains.
  • Use Carpet Protectors: Consider using carpet protectors in high-traffic areas to reduce the likelihood of stains.
  • Educate Household Members: Inform everyone in the household about the proper steps to take immediately if a spill occurs.

Common Mistakes to Avoid

  • Using Hot Water: Never use hot water to clean blood stains, as it can set the stain.
  • Rubbing the Stain: Avoid rubbing the stain, as this can spread it and damage the carpet fibers.
  • Ignoring Safety Precautions: Always wear gloves and ensure proper ventilation when cleaning blood stains.

Alternative Cleaning Methods

  • Enzyme Cleaners: These cleaners are specifically designed to break down organic stains like blood. Follow the manufacturer’s instructions for best results.
  • Baking Soda: Pour a small amount of baking soda on the stain and blot with a clean cloth. Repeat until the stain is gone.

Why Professional Cleaning to Clean Blood from Carpet?

While it’s possible to clean blood stains from carpet using DIY methods, there are situations where professional cleaning services are more effective. Professional carpet cleaners in London and Kent have the expertise, equipment, and cleaning agents to handle tough stains and ensure that carpets are thoroughly cleaned and sanitized.

Advantages of Professional Carpet Cleaning

Expertise and Experience

  • Trained Technicians: Professional cleaners are trained to handle various types of stains, including blood, and know the most effective methods for removal.
  • Knowledge of Carpet Types: Different carpets require different cleaning techniques. Professionals can identify the type of carpet and choose the appropriate cleaning method to avoid damage.

Advanced Equipment

  • High-Power Machines: Professional cleaners use high-powered equipment that can deep clean carpets more effectively than household vacuums and steam cleaners.
  • Specialized Tools: They have access to specialized tools designed for stain removal and carpet care, which can reach deep into carpet fibers to extract stains and debris.

Effective Cleaning Agents

  • Professional-Grade Products: Professionals use high-quality, commercial-grade cleaning agents that are more effective at breaking down and removing blood stains.
  • Safe and Eco-Friendly Options: Many professional cleaners offer eco-friendly and non-toxic cleaning solutions that are safe for children, pets, and those with allergies.

Thorough Sanitization

  • Bacteria and Pathogen Removal: Blood stains can harbor bacteria and other pathogens. Professional cleaning ensures that carpets are not only clean but also sanitized, reducing health risks.
  • Odor Elimination: Professionals can remove not just the stain but also any associated odors, leaving your carpet smelling fresh.

Preventing Damage

  • Avoiding Over-Wetting: Over-wetting the carpet during cleaning can lead to mold and mildew growth. Professional cleaners use precise amounts of water and ensure proper drying.
  • Protecting Carpet Fibers: Incorrect cleaning methods can damage carpet fibers, causing them to wear out faster. Professionals use techniques that preserve the integrity of the carpet.

Convenience and Time-Saving

  • Efficient Cleaning: Professional cleaners can complete the job quickly and efficiently, saving you time and effort.
  • Handling Difficult Stains: For extensive or old stains that are difficult to remove, professionals can achieve better results than DIY methods.

When to Consider Professional Cleaning

  • Large Stains: If the blood stain covers a large area or is deeply embedded in the carpet fibers.
  • Persistent Stains: When DIY methods fail to completely remove the stain.
  • Health Concerns: If you are concerned about pathogens and need thorough sanitization.
  • High-Value Carpets: For expensive or delicate carpets that require specialized care.

Choosing a Professional Carpet Cleaner

  • Reputation and Reviews: Look for cleaners with good reviews and a strong reputation in the community.
  • Certifications: Check if the cleaning service is certified by industry organizations such as the TACCA, Prochem or NCCA.
  • Eco-Friendly Options: If you prefer environmentally friendly cleaning, ask if the service uses green cleaning products.
  • Service Guarantee: Ensure the company offers a satisfaction guarantee or warranty on their services.

Blood stains on carpets require prompt and effective cleaning to maintain the appearance and hygiene of your flooring. By following the detailed steps and tips provided in this guide, you can successfully remove blood stains from your carpet, ensuring it remains clean and stain-free.

Remember, quick action and the right cleaning methods are key to effectively dealing with blood stains. Regular maintenance and having a stain removal kit on hand can make dealing with accidents easier and more efficient.


  • George Kosev

    George Kossev is a highly experienced and dedicated carpet cleaning specialist with over 15 years of expertise in providing top-quality carpet care solutions. As the owner of Clean Expert, George has built a reputation for excellence, reliability, and unparalleled customer service in the carpet cleaning industry.