How to Neutralize Dog Bed Smells: 7-Step Guide
Table of Contents
- Why Dog Beds Hold Odors (and Why Masking Fails)
- What You'll Need Before You Start
- Step-by-Step: How to Wash Pet Bedding
- How to Get Dog Smell Out of Memory Foam
- Odor Neutralization vs. Masking: Baking Soda, Vinegar, and Bio-Based Sprays
- Allergy-Safe Cleaning for Sensitive Pets and Kids
- Preventative Maintenance: How Often to Wash and Freshen
- Common Mistakes That Keep Dog Bed Smells Around
- Frequently Asked Questions
Last Updated: September 10, 2026
Why Dog Beds Hold Odors (and Why Masking Fails)
Dog bed smells come from body oils, dander, saliva, urine, and the bacteria feeding on them. Those compounds soak into fabric and foam, so a quick spritz of fragrance never fixes dog bed smells for long.
Most sprays add a smell on top of a smell, lavender plus wet dog, while bacteria multiply underneath, so odor returns within hours.
Our approach is built around that distinction: masking hides a smell, neutralization breaks down the compounds causing it.
That difference matters more with pet bedding than almost any other fabric: a dog bed absorbs whatever your dog brings in, then holds it against warm foam for hours.
Below is a 7-step process to neutralize dog bed smells at the source, plus the maintenance routine that keeps them from returning.
What You'll Need Before You Start
Gather your supplies first so you are not hunting for vinegar mid-wash. A common mistake is starting with the cover and realizing the foam insert needs separate treatment.
You will need:
- A washing machine and dryer
- Pet-safe, fragrance-free laundry detergent
- Baking soda
- White vinegar
- An enzyme cleaner for urine spots
- A vacuum with an upholstery attachment
- A bio-based odor neutralizer
- Rubber gloves and a soft brush
One note on detergent: skip anything with heavy perfumes or fabric softener. Softener leaves a waxy residue that traps odor molecules against the fabric. For a full breakdown of what belongs in the machine, the EPA Safer Choice product guidance is a useful reference for fragrance-free options.
Step-by-Step: How to Wash Pet Bedding
Learning how to wash pet bedding comes down to four moves: vacuum, wash, neutralize, dry. Do them in that order and you avoid washing a cover while the foam underneath keeps stinking.
- Vacuum both sides of the cover and the insert to lift loose hair, dander, and dried soil.
- Remove the cover and check the care tag before it goes anywhere near water.
- Pretreat stains with an enzyme cleaner and let it sit for the full dwell time on the label.
- Wash the cover on a gentle cycle with fragrance-free detergent.
- Treat the foam separately (see the memory foam section below).
- Neutralize the whole bed with a bio-based spray once everything is dry.
- Air dry completely before the bed goes back on the floor.
Machine Washing the Removable Cover
Most removable covers labeled machine washable can go on a gentle cycle with cold or warm water. Cold is the safer default because heat can set protein-based stains and shrink fabrics.
Use a low spin speed and add half a cup of white vinegar to the rinse cycle to strip residue and neutralize alkaline smells. Skip the dryer if the tag says tumble dry low or air dry only.
Hand Washing Delicate or Non-Removable Covers
For delicate or non-removable covers, fill a tub with cool water and a little fragrance-free detergent, then work it in with your hands or a soft brush.
Rinse until the water runs clear, leftover detergent residue holds odor, so a second rinse is worth the extra minute.
How to Get Dog Smell Out of Memory Foam
Memory foam, poly-fill, and shredded orthopedic foam fail differently, so they need different cleaning routes. Treating them all with the same baking-soda sprinkle is why so many inserts still smell after a "deep clean."
Here is the split that matters:
- Memory foam (solid viscoelastic slab): dense, closed-cell, slow to release moisture. Odor sits in the top few millimeters, so surface treatment works, but only if you never saturate it.
- Poly-fill (loose fiber batting): open and airy. Odor penetrates the whole batt, and the fiber mats when wet, so it needs more agitation and drying time per inch.
- Shredded orthopedic foam: small foam cubes inside a liner. The cubes trap dander and the liner blocks airflow, so odor lingers in the gaps.
Memory Foam Inserts
You cannot machine wash memory foam or orthopedic foam: water and agitation break down the cell structure, and a soaked insert takes days to dry, inviting mildew.
Here is how to get dog smell out of memory foam without ruining it:
- Vacuum both faces with an upholstery attachment in slow overlapping passes, foam holds dander deep in the surface pores.
- Sprinkle a generous layer of baking soda, roughly a quarter cup per square foot for a queen-size bed, more for heavy odor, and work it in with a soft brush.
- Let it sit at least 30 minutes, up to several hours for a bed unwashed for months, so baking soda pulls moisture and odor compounds to the surface.
- Vacuum the powder away completely. Leftover powder becomes a base for the next odor load.
- Mist lightly with a bio-based neutralizer from about six inches away, a fine, even film, not a soak.
- Air dry with airflow on both faces before the cover goes back on.
Poly-Fill Inserts
Poly-fill batting is more forgiving than memory foam but mats easily. Vacuum first, then treat with baking soda the same way, removing the batting from its liner so air reaches every layer. Never wring or twist it, that crushes the loft and creates flat spots that hold odor.
Shredded Orthopedic Foam
Shredded fill is hardest to dry because air cannot move between the cubes. Pour the fill into a mesh laundry bag or large pillowcase, vacuum the empty liner inside and out, then treat the fill with baking soda in the bag, shake, let it sit, and vacuum through the mesh. Spread the cubes in a single layer on a towel to air out before refilling.
Drying Protocols for Foam Inserts
Drying is where foam care goes wrong most often: an insert damp in the middle grows mildew, and mildew odor is stubborn.
Set the insert upright or lean it against a wall so air reaches both faces, in a room with good circulation and a fan if possible. Flip it every few hours, and avoid long stretches of direct sun, since UV light degrades foam.
Plan on 24 to 48 hours for a full dry, longer in humid conditions. Do not replace the cover until the foam is dry to the touch in the center. Quick test: press your palm into the thickest part for five seconds, if your hand comes away cool and clammy, the core is still wet, so give it another day.
Odor Neutralization vs. Masking: Baking Soda, Vinegar, and Bio-Based Sprays
Odor neutralization breaks down the chemical compounds that produce a smell; masking adds a stronger scent on top. The first removes the problem, the second postpones it.
Each tool in your kit plays a different role:
| Method | How It Works | Best For | Limitation |
|---|---|---|---|
| Baking soda | Absorbs moisture and odor compounds | Foam inserts, dry surface odor | Needs vacuuming, no deep clean |
| White vinegar | Neutralizes alkaline smells, strips residue | Rinse cycles, urine odor | Scent fades as it dries, not a sanitizer |
| Enzyme cleaner | Breaks down organic matter | Urine, vomit, saliva stains | Must stay wet to work |
| Bio-based neutralizer | Breaks down odor compounds at the source | Finished bedding, touch-ups | Needs a clean, dry surface |
Baking soda and vinegar handle surface-level odor and residue, enzyme cleaners handle the biological mess, and a bio-based neutralizer finishes the job and keeps working between washes.
This is where Zero Smell fits: our proprietary, natural, bio-based formula uses microorganisms to break down the compounds causing the smell rather than covering them, and it is non-toxic and safe around pets and kids. For light daily freshening, a few sprays of the Z-Spray 16.9oz go a long way; households treating multiple beds, crates, and gear size up to the 1 Gallon option.
Allergy-Safe Cleaning for Sensitive Pets and Kids
Allergy-safe cleaning means removing the allergens themselves, not just the smell. Dander, saliva proteins, and dust mites live in the same fabric the odor does, which is why a bed can smell clean and still set off a reaction, odor compounds and allergens are different problems.
What You Are Actually Removing
- Dander: shed skin flakes carrying the proteins most people react to; they cling to fabric and become airborne when the bed is disturbed.
- Saliva proteins: deposited when your dog chews, licks, or drools on the bed; they bind tightly to fiber and survive a normal wash if the water is not warm enough.
- Dust mites: microscopic arachnids that feed on dander and thrive in warm, humid foam, exactly what a dog bed provides.
Fragrance is the hidden culprit: many pet odor products rely on heavy perfumes that irritate sensitive skin and airways and do nothing for the allergens underneath. If your kid reacts to scented laundry products, that reaction can follow a heavily perfumed pet spray.
Matching the Cleaning Method to the Material
Allergy-safe cleaning is not one routine, it is a routine per material:
- Removable fabric covers: wash in the hottest water the care tag allows, heat denatures trigger proteins and kills dust mites, while cold leaves more allergen behind.
- Memory foam inserts: vacuum with a HEPA filter and upholstery attachment, going over both faces slowly; a standard vacuum can blow fine dander back into the air.
- Poly-fill and shredded foam: vacuum the fill itself, not just the liner, since allergens collect between the fibers and cubes.
Choosing Products That Do Not Add Triggers
Choose fragrance-free detergent and a neutralizer that does not rely on scent. Rinse thoroughly, since leftover soap traps dander against the fabric, and skip fabric softener and dryer sheets, both leave a residue that holds allergens and odor.
For households with chemical sensitivities, a bio-based formula is the practical choice: it neutralizes odor without adding trigger fragrances. Look for a product that lists its ingredients rather than hiding behind "fragrance."
The AAFA guidance on reducing indoor allergens recommends washing bedding regularly and keeping humidity down to limit dust mites. For a dog bed, that means a wash schedule tied to how much your dog sheds and drools, plus a dehumidifier in the room where the bed lives if your home runs humid.
A Note on Hot Water and Fabric
Hot water is the most effective allergen killer but not safe for every cover, so check the care tag first. If it says cold only, wash cold with a fragrance-free enzyme detergent, which breaks down the protein-based allergens heat would otherwise neutralize. Pair a cold wash with a full dry cycle on the highest heat the fabric allows.
Preventative Maintenance: How Often to Wash and Freshen
A weekly routine beats a deep clean every few months. Odor compounds build up gradually, and small, frequent treatments keep them from reaching the point where the bed stinks up a room.
How often to wash a dog bed depends on your dog:
- Weekly: vacuum the surface and spot-treat any accidents.
- Every 2 weeks: wash the cover for most dogs.
- Weekly: wash the cover if your dog sheds heavily, drools, or has accidents.
- Monthly: deep clean the foam insert with baking soda.
- As needed: neutralize with a bio-based spray between washes.
Freshening spray is not a substitute for washing, but a light mist on a dry, clean bed stretches the time between deep cleans.
Households with multiple pets, athletes, or anyone managing recurring odor across beds, crates, and gear. A larger bottle and a standing weekly routine cover more ground with less effort.
Common Mistakes That Keep Dog Bed Smells Around
The biggest mistake is treating the cover and ignoring the foam. Odor soaks into the insert, and no amount of washing the cover fixes a stinking core.
Other mistakes that keep dog bed smells around:
- Using fabric softener. It coats fibers in residue that traps odor.
- Skipping the vacuum step. Loose hair and dander hold odor and clog the wash water.
- Drying the foam in a closed space. Poor air circulation invites mildew.
- Relying on fragrance sprays. They mask the smell and let bacteria keep growing.
- Reassembling a damp bed. Even slightly damp foam grows mildew within a day.
Fix these and the 7-step process actually holds. The CDC guidance on mold and moisture control is clear that damp organic materials are the main driver of mildew growth, which is exactly why full drying matters so much with foam.
A dog bed that smells clean comes down to two habits: remove the source, and keep it dry. Do both on a schedule, and you will not need to think about odor again.
Frequently Asked Questions
How do I get my dog's bed to stop smelling?
Stop the smell at the source by washing the removable cover in hot water with a pet-safe detergent, then treating the foam insert separately. Vacuum the foam, sprinkle baking soda to absorb moisture, and let it air out. For stubborn odors, a bio-based spray that breaks down odor molecules works better than masking sprays. Wash covers weekly and deep clean foam monthly to keep dog bed smells from returning.
Can I use baking soda to remove odors from dog beds?
Yes. Baking soda absorbs moisture and neutralizes acidic odor compounds without harsh chemicals. Sprinkle a generous layer over the foam insert or mattress, let it sit for 15 to 30 minutes, then vacuum thoroughly. For covers, add half a cup to the wash cycle. Baking soda works best as a maintenance step between deep cleans, not as a standalone fix for heavy urine odor or bacteria growth.
Is it safe to use odor eliminators on memory foam dog beds?
It depends on the formula. Memory foam holds moisture and can break down with harsh chemicals, so choose a pet-safe, non-toxic spray that neutralizes odors without soaking the foam. Lightly mist the surface and let it air dry completely. Avoid anything with bleach, ammonia, or heavy fragrance. A bio-based eliminator that destroys odor molecules at the source is the safest option for memory foam and orthopedic foam beds.
How often should I wash my dog's bed to prevent odors?
Wash the removable cover every one to two weeks, or weekly if your dog sheds heavily, drools, or has accidents. Deep clean the foam insert or mattress once a month. Between washes, vacuum the surface and spot-treat with a pet-safe deodorizing spray. Dogs with allergies, skin conditions, or frequent outdoor exposure may need more frequent washing to control dander and bacteria growth.
Most pet owners fight the same losing battle: they spray, the smell fades, and it comes back by evening. The fix is a routine that removes odor compounds instead of covering them, and a neutralizer that keeps working between washes. Zero Smell's bio-based formula breaks down odor at the source, stays safe around pets and kids, and needs only a few sprays per treatment. Get started with Zero Smell and keep your dog's bed, gear, and home genuinely fresh.
