How to Get Blood Out of a Mattress

Finding a fresh blood stain on your mattress is stressful — but it doesn’t have to be permanent. The key is speed, cold water, and choosing the proper method for the fabric. This comprehensive guide brings together proven, practical techniques (from gentle pantry staples to stronger stain removers) plus prevention tips, common mistakes to avoid, and when to call a professional mattress cleaning service.

At a Glance – Quick Tips

Pre-Treatment: Do This First

1. Strip the bed: Remove sheets, protectors, and toppers. Treat any stained bedding separately with an oxygen-based laundry booster or an enzyme detergent before washing in the machine on a cold cycle.
2. Cold-water blot: Dampen a clean cloth with cold water and gently blot (don’t scrub) until little to no colour transfers. Alternate a damp cloth with a dry towel to lift moisture.
3. Contain the stain: Work from the outside edge toward the centre to prevent spreading.
4. Spot test: Before applying any cleaner, test on a hidden area to check for colourfastness or surface changes.

Learn more: How to Clean Urine from Mattress

Best Methods to Get Blood Out of a Mattress

Start with gentler options and step up in strength only if needed. Always keep the surface slightly damp (not soaked), and allow generous drying time between passes.

1) Baking Soda (with Optional Vinegar Activation)

How it helps: Baking soda absorbs moisture and odours; a light vinegar spritz can help lift fresh protein stains.

• Dust a thin, even layer of baking soda over the stain.
• Optional: Lightly mist white vinegar; a fizzing reaction may occur.
• Wait 30–45 minutes, then wipe away residue and blot with a cold, damp cloth.
• Repeat once if needed; allow to air dry thoroughly.

Pros: Mild, low-risk, household-friendly.
Cons: May require repeat application; slower on older stains.
Best for: Fresh or lightly set stains and odour control.

Learn more: How to Clean Memory Foam Mattress

2) Lemon Juice

How it helps: Citric acid can gently break down stain components.

• Lightly spray or dab lemon juice onto the stain until just damp.
• Blot with a cold, damp sponge; rinse the sponge frequently.
• Repeat short cycles until the stain fades; avoid oversaturating the mattress.

Pros: Natural, pleasant scent.
Cons: Acidic; always spot-test to avoid discolouration.
Best for: Fresh stains on colourfast fabrics.

Learn More: How to Clean Mattress with Baking Soda

3) Oxygen-Based Cleaner (Non-Chlorine “Oxy” Type)

How it helps: Oxygenated cleaners release oxygen in contact with water, helping lift organic stains without chlorine bleach.

• Mix according to the label directions (typically a powder dissolved in cool water) to form a thin solution or light paste.
• Apply sparingly with a soft nylon brush or cloth. Do not soak the mattress.
• Let it work for 30–120 minutes (follow label timing), then wipe with a cold, damp cloth.
• Allow to air dry thoroughly before reassessing.

Pros: Effective on both fresh and set stains; fabric-friendly when used correctly.
Cons: Requires patience; multiple cycles may be needed.
Best for: Moderate stains and whitening without harsh chlorine.

4) Hydrogen Peroxide (Use with Care)

How it helps: Peroxide is a more potent oxidiser that can break down tough blood proteins.

1. Combine ~1:1 hydrogen peroxide (3%) and baking soda to form a spreadable paste (optional: add a tiny drop of mild dish soap).
2. Using a soft brush or cloth, apply from the outer edge toward the centre.
3. Let it fizz for up to 30 minutes.
4. Blot with a cold, damp cloth until residue lifts; repeat lightly if needed.
5. Air dry for several hours (a fan helps). Vacuum any dried baking soda.

Pros: Powerful on stubborn stains.
Cons: Can lighten fabrics or leave rings; always spot-test.
Best for: Older or persistent stains that gentler methods cannot remove.

5) Meat Tenderiser (Unseasoned, Bromelain-Based)

How it helps: Enzymes in the tenderiser can digest proteins in dried blood.

• Mix 1 tablespoon of unseasoned meat tenderiser with 2 teaspoons of cold water to form a paste.
• Apply a thin layer to the stain for 15–60 minutes.
• Wipe away, then dab with a cold, damp cloth; let dry with ample airflow.

Pros: Surprisingly effective on old stains.
Cons: Must be unseasoned; always spot-test.
Best for: Stubborn, dried stains on durable, colourfast covers.

6) Enzyme-Based Stain Remover

How it helps: Enzymes target organic molecules (like blood proteins), making them easier to lift.

• Apply a small amount to a microfibre cloth and work from the edges inward.
• Allow 10–15 minutes of dwell time (or per label).
• Blot with a cold, damp cloth to remove residues; repeat if necessary.
• Air dry thoroughly.

Pros: Very effective on set-in biological stains and odours.
Cons: Product-specific; must follow the label carefully.
Best for: Old, darkened stains and odour control.

How to Handle Dried or Set Blood Stains

Dried blood binds more firmly to fibres. Plan on multiple short cycles rather than one heavy saturation. Begin by softening the area with cold-water blotting, then choose an oxygen-based cleaner or an enzyme product. For very stubborn spots, escalate to a carefully spot-tested hydrogen peroxide paste. Allow generous drying between rounds and reassess in natural light — stains often look worse when the fabric is wet but lighten as it dries.

Common Mistakes to Avoid

• Using hot water: Heat denatures proteins, setting the stain.
• Scrubbing hard: This pushes pigment deeper and can damage the ticking.
• Over-wetting: Excess moisture can lead to mildew inside the mattress core.
• Skipping the spot test: Strong cleaners can lighten or distort some fabrics.
• Not drying thoroughly: Trapped moisture risks odour and microbial growth.

Drying the Mattress Properly

• Airflow is everything: Open windows, elevate the mattress edge, and use a fan to move air across the damp area.
• Time matters: Even small spots may need several hours. Wait until the fabric and padding feel bone dry before replacing bedding.
• Optional finish: Lightly vacuum the area to lift any dried powder residue (e.g., baking soda).

Prevention: Keep Future Stains at Bay

• Waterproof mattress protector: A breathable, washable protector is the single best defence against accidents.
• Layer smart: Protector + fitted sheet + optional topper for comfort and extra security.
• Regular spot checks: Address drips or nosebleeds immediately — fresh stains lift fastest.
• Laundry strategy: Treat blood on linens with an oxygen-based booster or enzyme detergent on a cold cycle.

When to Call a Professional

If a stain persists after a few careful cycles, the mattress smells musty, or you’re worried about overwetting, a professional clean is worth it. Technicians use targeted solutions, controlled moisture, and powerful extraction to lift set-in stains safely without compromising the mattress core. If you’re in London, consider booking our mattress cleaning service for a deep refresh.

FAQs

Can I use hot water to remove blood?

No. Hot water sets protein stains. Always use cold water to loosen and lift blood from fibres.

Is hydrogen peroxide safe for all mattresses?

Peroxide is effective but can lighten some fabrics or leave rings. Always spot-test in a hidden area first and use sparingly.

What’s the best method for old, dried stains?

Try an enzyme cleaner or oxygen-based solution first. If needed, step up to a carefully spot-tested hydrogen peroxide paste and repeat short, controlled cycles.

How do I dry the mattress quickly?

Maximise airflow with an open window and a fan aimed across (not directly down into) the damp area. Ensure the mattress is completely dry before making the bed.

How can I prevent future stains?

Use a waterproof mattress protector, treat accidents immediately with cold water, and wash stained linens with oxygen-based boosters on cold.