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How to Clean Memory Foam Mattresses

by Anna Scanlon
Published April 29, 2010 | Updated August 4, 2015

A soft and comfortable memory foam mattress is a treat to sleep on -- until a drink is spilled or a pet has an accident on it. While it may seem impossible to clean, you don't have to be intimidated. Memory foam mattresses are actually easy to clean, and you'll have positive results if you follow these instructions. All you need are a few household products and some time for cleaning it thoroughly.

Cleaning a Memory Foam Mattress:

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Things You'll Need
Vacuum with soft brush attachment
Fabric cleaner
Spray bottle
White vinegar
Water
Hair dryer or fan
Tarp
  1. Vacuum the Memory Foam Mattress

    Use a hand-held vacuum or a regular vacuum with a brush attachment. This will help to remove extra lint or dirt and will keep it from getting ground in. It may help to place the bedding on the floor or outside on a flat surface.

  2. Treat with Solution

    Fill a spray bottle with 1/2 cup fabric cleaner and 1 cup water. Shake well to make sure that the cleaner is completely mixed before you start spraying. Place the mattress or mattress topper in your bathtub or on a tarp near an outdoor water source. Spray the memory foam mattress with your cleaning solution until you cover it entirely, front and back. Let the mattress sit for 30 to 45 minutes. Rinse off the mattress in the shower or with a hose.

  3. Second Treatment

    Refill your spray bottle with 1/4 cup vinegar and 3/4 cup water. Shake well. Spray the vinegar solution all over your memory foam mattress. Rinse the mattress again, getting all of the solution out. Clear out excess water by gently pressing on the mattress. Be careful to not twist or fold the mattress as that may cause permanent damage.

  4. Dry the Mattress Completely

    Use a hair dryer or small fan to dry the memory foam mattress as much as possible. Leave the mattress outside or in a well-ventilated area to dry. It may take one or two days for the memory foam to fully dry. Use the hair dryer or fan every few hours to help the drying process.

Memory Foam Mattress Cleaning Tip:

It's much easier to clean memory foam mattresses if you have someone who can help you. Memory foam becomes quite dense after it has soaked up water. You'll probably need another set of hands in order to handle the heavy mattress.