How long does it take for a mattress to remove smell?

Author: Heath Dietrich  |  Last update: Wednesday, October 1, 2025

Some manufacturers recommend airing out a new mattress for three to seven days in a garage or well-ventilated room before sleeping on it, while others claim that you can start using your mattress within the first few hours after opening it. Use your nose as your judge.

How long does it take for a mattress to stop smelling?

The majority of off-gassing odors dissipate within a few hours of unpacking the mattress. However, you may be able to smell traces for several days to a few weeks, particularly if the model contains primarily synthetic foam.

Can you get the smell out of a mattress?

A simple way to safely deodorize your mattress is with that handy all-purpose household product called baking soda. Using a hand sifter, sprinkle baking soda over the surface of your mattress. If there's any moisture apparent on your mattress, let it air dry.

Is it safe to sleep on a new mattress that smells?

In summary, while the smell from a new mattress can be unpleasant, it is generally not considered dangerous for most people, especially with proper ventilation.

How long does a mattress need to air out?

Most mattress labels, especially a rolled mattress, will state it's not supposed to be used within the first 24 hours, which as a rule is the recommended time you should wait after opening your brand new mattress - this is for good reason.

How To Get Rid Of Pee Smell On A Mattress [Detailed Guide]

How long does it take for an air mattress to air up?

How Long Does an Air Mattress Take to Inflate. The inflation time varies based on the method: Built-in Electric Pumps: Fastest, usually under 5 minutes for a queen-sized mattress. Manual Methods: Anywhere from 10 minutes to half an hour, depending on the method and mattress size.

How long does off-gassing last?

The largest amount of off-gassing usually happens in the first few months when the item is brought into the house and opened. However, there is no specific indication of how long it will take before the chemicals entirely dissipate. There are cases where off-gassing can happen for years, even decades.

How to speed up a mattress off-gassing?

How to Speed Up a Mattress Off-Gassing?
  1. Remove the Plastic Wrap. Even if the mattress you just bought will not be used at the moment, we recommend removing the mattress from its packaging as soon as possible. ...
  2. Air Out Your Mattress Properly. ...
  3. Increase Air Circulation. ...
  4. Use Baking Soda.

What are the symptoms of a toxic mattress?

Even if you can't smell the chemicals in the air, they can remain to cause a wide range of symptoms including:
  • Eye, nose, and throat irritation.
  • Headaches.
  • Dizziness.
  • Asthma.
  • Central nervous system (CNS) damage.
  • Damage to your liver and kidneys.
  • Nausea.
  • Vomiting.

What happens if you sleep on a new mattress before 24 hours?

Not allowing your mattress to fully expand before sleeping on it can result in reduced firmness and compromised support, as the materials haven't had time to regain their intended structure. For memory foam and hybrid mattresses, this can mean that certain areas feel softer or lack the pressure relief expected.

How do you deep clean a smelly mattress?

Use a vinegar solution

Vinegar is another excellent antibacterial and also helps with anti-odor. Your mattress may smell of vinegar for a short period afterward. But it will dissipate as it dries. Mix white vinegar and water in equal parts to apply the vinegar solution, then pour it into a spray bottle.

How often should I replace my mattress?

Here's how often she recommends changing your mattress based on its material: Latex: 10 to 15 years. Memory foam: Lower-quality mattresses should be changed after around five years have passed. Better-quality ones can be switched out every eight to 10 years.

What kills urine smell in a mattress?

Baking soda, hydrogen peroxide, and liquid detergent will all come in handy to remove the stronger urine odor that can be associated with your animals, especially cats.

What absorbs bad smells in mattress?

Baking soda is a good option to deodorize your mattress quickly. Sprinkle baking soda on the mattress, let it sit for 30 minutes to two hours, and then vacuum it up. How do you get a smell out of a mattress? Sprinkling baking soda on top of the mattress will neutralize odors.

How can I speed up my outgassing?

So, here's what you can do to speed up off-gassing:
  1. Air out - Take new furniture outside to air out for a couple of days. ...
  2. Heat the furniture - If you don't have a place to air out your furniture, heat the room where the furniture is placed to increase off-gassing.

How long should you leave a new mattress before sleeping on it?

Most new mattresses take between 24 to 72 hours to fully expand. However, this can vary based on the mattress type and manufacturer. 2. Is it safe to sleep on my new mattress during the expansion process?

How do I know if my mattress is making me sick?

Waking Up Sore

This means you might feel tightness or soreness in certain areas of your body. It might not be enough for you to immediately blame your mattress. But it could be the first sign that you need to start looking for a new one. Especially if your soreness isn't caused by other reasons.

What is the healthiest mattress to sleep on?

Best Organic and Non-Toxic Mattresses of 2024
  • Best Overall Organic Mattress – Nolah Natural.
  • Best Hypoallergenic Organic Mattress – Birch.
  • Best Hybrid Organic Mattress – Silk & Snow Organic.
  • Best Organic Mattress for Back Sleepers – WinkBeds EcoCloud.
  • Best Organic Mattress for Back Pain – Awara Natural Luxury Hybrid.

Is a mattress ruined if it gets pee on it?

If you notice a urine smell or a dried pee stain on a mattress, there's no reason to panic. You can still nurse that mattress back to health in a few easy steps. First, as with a fresh stain, toss the bedding and the washable mattress protector in the washing machine.

How long does it take for mattress smell to go away?

Most VOCs are emitted within the first few hours of airing out your mattress, but they can continue for at least a few days. If it's nice out, you can air your mattress out outside to speed up the process, or you can open a window in your home so you're not stuck with the new mattress smell for too long.

How long does off-gassing take?

Factors such as the number of volatile organic compounds (VOCs) in the flooring, the temperature and humidity of the room, and the ventilation in the space can all affect how quickly the off-gassing process will occur. In general, however, most floors will off-gas for anywhere from a few days to a few weeks.

How do you get rid of new mattress smell fast?

How do you get rid of a new mattress smell?
  1. 1) Unwrap Your Mattress Immediately.
  2. 2) Air It Out in a Ventilated Room.
  3. 3) Try Natural Odor Absorbers.
  4. 4) Let Your Mattress "Sunbathe"
  5. 5) Invest in an Air Purifier.
  6. 1) Use a Mattress Protector:
  7. 2) Baking Soda:
  8. 3) Spot Clean with Vinegar:

What does mattress off-gassing smell like?

However, some memory foam mattress owners have complaints about memory foam's initial “chemical-like” smell, otherwise known as off-gassing. This unpleasant odor is caused by the petrochemicals used to make the mattress and lasts up to 4 weeks.

How do you get rid of outgassing smell?

Your three best allies in expediting the outgassing process are fresh air, ventilation and heat. Thus, sunning your items outside on a warm sunny day can greatly expedite the removal of VOCs without polluting the air inside your home.

How do you air out a mattress?

Move the mattress to a location that has good airflow. You can also move the mattress outside if you have help. Allow the mattress to sit out for three to four hours if you can, but for at least one hour. That's all there is to it!

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