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How To Clean & Dry A Memory Foam Mattress After Bedwetting

Bedwetting accidents can happen to anyone, including adults and children. If you or your loved one experiences a bedwetting incident on a memory foam mattress, it's essential to address the situation promptly and effectively to prevent lingering odours and stains.

In this guide, we will explore the steps and techniques required to clean a memory foam mattress after bedwetting. If your mattress has already dried, take a look at our how to clean dried urine from your mattress guide too.

By following these tips, you can restore your mattress to its clean and fresh state, ensuring a comfortable and hygienic sleep environment.

Cleaning Urine From A Memory Foam Mattress Overview

To remove urine from a memory foam mattress you need to act quickly. Start by Removing as much moisture as possible by blotting the stain with towels and baking soda. Then, grab a vinegar mix or enzyme cleaner and treat the affected area.

For a full explanation, keep reading:

Act Quickly

When it comes to cleaning a memory foam mattress after bedwetting, time is of the essence. Acting promptly helps minimize the extent of the damage and increases the chances of successfully removing stains and odours.

Absorb Excess Moisture

  1. Remove Bedding and Soiled Items: Start by removing all bedding, including sheets, mattress protectors, and any soiled items. Place them in a separate pile for laundering.

  2. Blot the Moisture: Using clean towels or absorbent cloths, gently blot the affected area to absorb as much moisture as possible. Avoid rubbing or scrubbing, as this can push the liquid deeper into the mattress.

  3. Use Baking Soda: Sprinkle a generous amount of baking soda over the wet area. Baking soda helps absorb moisture and neutralizes odours. Allow it to sit for at least 15 to 30 minutes to draw out additional moisture.

Urine Stain Removal Techniques

  • Enzyme Cleaner: Enzymatic cleaners are specifically designed to break down organic stains and odours. Apply a small amount of the cleaner to the affected area and gently scrub with a soft brush or cloth. Follow the manufacturer's instructions for the appropriate dwell time.

  • Vinegar Solution: Mix equal parts of white vinegar and water in a spray bottle. Spray the solution on the stain and let it sit for a few minutes. Blot the area with a clean cloth or sponge. Repeat if necessary.

  • Hydrogen Peroxide: This is an effective stain remover for various surfaces, including memory foam. Mix equal parts of hydrogen peroxide and water in a spray bottle. Spray the solution onto the stain and let it sit for a few minutes. Blot the area with a clean cloth or sponge. Be cautious as hydrogen peroxide can have bleaching effects, so perform a spot test on an inconspicuous area first.

Odour Elimination

  • White Vinegar Spray: Fill a spray bottle with undiluted white vinegar and spritz the affected area. Vinegar helps neutralize odours naturally. Allow it to air dry completely.

  • Baking Soda Absorption: After treating the stains, generously sprinkle baking soda over the mattress surface. Baking soda absorbs remaining moisture and odors. Let it sit for several hours, preferably overnight, and then vacuum thoroughly using the upholstery attachment of your vacuum cleaner.

How To Dry Your Memory Foam Mattress

Now that you've done the hard part in cleaning your memory foam mattress, it's time to let it dry. NEVER USE HEAT to dry memory foam as this will almost certainly damage it. Use fans, a wet and dry vacuum, baking soda or talcum powder to absorb the moisture and allow it to dry naturally.

Prevention and Maintenance

To minimize the chances of future incidents and maintain the cleanliness of your memory foam mattress, consider implementing the following preventative measures:

  • Mattress Protector: Invest in a waterproof mattress protector. These covers provide an additional layer of protection against spills, stains, and odours. Ensure the protector is specifically designed for memory foam mattresses and fits securely.

  • Regular Cleaning: Routine Maintain a regular cleaning routine for your mattress by vacuuming it regularly using the upholstery attachment. This helps remove dust, debris, and allergens that may accumulate over time.

  • Freshen Up: To keep your mattress smelling fresh, sprinkle baking soda on the surface once every few months. Allow it to sit for a few hours before vacuuming it off.


Dealing with bedwetting accidents on a memory foam mattress doesn't have to be a stressful experience.

By acting quickly, absorbing excess moisture, utilizing stain removal techniques, and implementing preventative measures, you can effectively clean your mattress and restore its freshness.

Remember to follow the specific instructions provided by your mattress manufacturer to ensure you don't damage the memory foam.

With proper care and maintenance, your memory foam mattress can continue to provide a comfortable and hygienic sleep environment for years to come. Sleep tight!

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