Dos and Don’ts of Cellulose Sponge Safety

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    While a cellulose sponge is excellent for wiping up messes and absorbing liquid quickly, it can also absorb harmful foodborne pathogens along the way.

    Though you can’t eliminate 100 percent of germs lurking in a sponge, there are several ways to dramatically reduce the risk of cross-contamination — which can lead to food poisoning — with these dos and don’ts.


    Clean Sponges Daily. To lower the risk of cross-contamination, you should sanitize your sponge. While testing common household methods used to disinfect sponges, researchers at the USDA found that over 99 percent of bacteria, yeasts, and molds were killed by microwave heating damp sponges for one minute or dishwashing with a drying cycle. Sponges may also be disinfected with a solution of one-quarter to one-half of a teaspoon of concentrated bleach per quart of warm water. Soak the sponge for one minute.

    Replace Frequently. Even after two or three uses, your sponge may be teeming with bacteria. And while cleaning your sponge daily help reduce the risk of food poisoning, you should consider replacing your cellulose sponge regularly. If your sponge starts to smell at any point — toss it out immediately.

    Store in a Dry Location. It’s important to not only wring out your sponge completely after each use and wash off any loose food or debris, but you should also store it in a dry location. Letting your sponge lay wet on a countertop takes longer for it to dry and allows harmful bacteria to multiply quickly as well as increases the opportunity for bacteria growth. Also, avoid leaving any damp sponges in an enclosed area such as a bucket or under the sink.


    Wipe Up Meat Juices. Cleaning up spills from ground beef or poultry with a sponge can increase your chances of spreading harmful foodborne pathogens. Instead, use a paper towel or disinfectant wipes to clean up spills and other bacteria-loaded messes.

    Use on Countertops. Many sponges contain millions of bacteria — and it only takes a few to get you sick. Avoid spreading those germs and bacteria to countertops by using a paper towel or disinfectant wipe to reduce the chances of cross-contamination with your sponge.

    Ignore Dishcloths. While less porous than sponges, you should still launder dishcloths frequently as they can harbor enough harmful bacteria to make you sick. Remember to wash in hot water and dry them on high heat in the dryer and consider having separate dishcloths for different purposes (e.g. hand washing and dish drying).

    Eric Lee

    Hey, I am Eric, Sales Director of Foam Spirit and expert in sponge industry for over 12 years. I would like share my experince in sponge product field. I like to make friends with people from all over the world to share happiness. Outside of work, movies and sports are my favorite activities. AC Milan and the Rockets are my home team!

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