How To Clean a Peed Mattress: Step‑by‑Step Guide and Common Questions
If you’re searching for How To Clean a Peed Mattress, you’re likely dealing with a fresh accident or a dried stain and smell you want gone fast. This guide walks you through exactly what to do, what to avoid, and how to handle both fresh and old urine stains on a mattress.
What’s the Best Way To Clean a Fresh Pee Stain on a Mattress?
Acting quickly makes a big difference. Here’s a simple method many people use at home.
1. Blot, don’t rub
- Remove all bedding.
- Use clean, dry towels or paper towels to gently blot the wet area.
- Press firmly to soak up as much liquid as possible, but do not rub, which can push urine deeper into the mattress.
2. Apply a gentle cleaning solution
You can use a simple mix such as:
- 1 part mild liquid dish soap to 4–5 parts warm water, or
- A mix of white vinegar and water (about equal parts) to help neutralize odor.
Lightly spray or dab the solution onto the pee spot. It should be damp, not soaked. Over‑saturating can make drying harder and may spread the stain.
3. Let it sit briefly, then blot again
- Allow the solution to sit for about 5–10 minutes.
- Blot again with clean, dry towels to remove moisture and cleaning solution from the mattress.
4. Use baking soda to reduce odor
Sprinkle a generous layer of baking soda over the damp area. This helps absorb both moisture and odor.
- Leave it on for several hours, ideally overnight if you can.
- Vacuum up the baking soda thoroughly using an upholstery attachment.
At this point, many fresh stains are visibly lighter and noticeably less smelly.
How Do I Clean a Dried or Old Pee Stain?
When figuring out How To Clean a Peed Mattress after the stain has already dried, you’ll usually need a bit more patience.
1. Lightly re-dampen the area
- Mist the stained area with plain water or a mild vinegar‑and‑water mix.
- The goal is to soften and re-activate the old stain, not soak the mattress.
2. Use an enzyme-based cleaner (optional but commonly used)
Many people find enzyme-based cleaners helpful for older urine stains, especially when odors linger. These are designed to break down urine-related residues.
- Follow the label directions carefully.
- Lightly apply to the affected area and allow the recommended contact time.
3. Blot and dry thoroughly
- Blot up excess moisture.
- Sprinkle baking soda on top and let it sit for several hours.
- Vacuum thoroughly.
Because old stains can be stubborn, you may need to repeat the process more than once to noticeably reduce both discoloration and odor.
How Can I Get Rid of the Smell Completely?
Pee smells can linger even after visible stains fade. These steps focus on odor reduction:
- Ventilate the room: Open windows or use a fan to help move air and speed drying.
- Use baking soda generously: Let it sit for longer periods (up to 24 hours) if the smell is strong.
- Avoid heavy perfumes or sprays alone: These tend to mask odors but may not remove the source.
For strong, long-lasting smells, combining careful spot cleaning, enzyme-based products, and baking soda is often more effective than fragrance alone.
What Should I Avoid When Cleaning a Peed Mattress?
To protect your mattress, avoid these common mistakes:
- Do not soak the mattress. Excess water can lead to slow drying and other issues.
- Avoid harsh chemicals like undiluted bleach or strong solvents, which may damage fabrics or foams.
- Skip aggressive scrubbing. This can push urine deeper or roughen the material.
- Don’t ignore drying time. Putting sheets back on a still‑damp mattress can trap moisture and odor.
How Long Does It Take a Mattress To Dry After Cleaning?
Drying time depends on:
- How much liquid was used
- Room temperature and humidity
- Airflow around the mattress
In many home environments, a lightly treated area can take several hours to fully dry. To help:
- Point a fan at the cleaned spot.
- If possible, stand the mattress up or prop it so air reaches both sides.
- Wait until the mattress feels completely dry to the touch before remaking the bed.
Can Repeated Pee Accidents Damage a Mattress?
Over time, repeated accidents can:
- Lead to persistent staining and odor
- Cause certain mattress materials to break down or discolor
- Make cleaning progressively more difficult
Many people use waterproof mattress protectors or washable covers to reduce cleanup effort if accidents are frequent.
✔️ Quick Mattress Takeaways
Key points consumers should understand about How To Clean a Peed Mattress
- Blot first, don’t rub: Remove as much liquid as possible before applying any cleaner.
- Use gentle solutions: Mild soap-and-water or diluted vinegar can help with fresh stains.
- For old stains, be patient: Re-dampen, use an enzyme cleaner if desired, and repeat as needed.
- Baking soda is a useful ally: It helps absorb moisture and odor when left on for several hours.
- Avoid soaking the mattress: Too much liquid slows drying and can create new problems.
- Dry completely: Good airflow and time are essential before putting sheets back on.
- Protect for the future: A washable protector or cover can make any future accidents easier to manage.
With these steps, How To Clean a Peed Mattress becomes a manageable process instead of an emergency, helping you restore your sleep surface as much as possible after an accident.

