My husband can annoy me in the kitchen faster than anyone else in the whole world!
He tries to help, and I have to say that right away because maybe one day he will read this article. The problem is that every time he walks into the kitchen with good intentions, I have something to say afterward. Yesterday, it was his protein shaker.
He washed it, which I appreciate. After that, he left the kitchen sponge wet and full of residue from the shaker. When I came into the kitchen later, the whole area around the sink had that awful sour smell.
I picked up the sponge, and it was immediately clear where the smell was coming from.
Dear women who read my articles, and men too, because I know some of you are here, I got so annoyed that one smelly kitchen sponge ended up becoming the topic of an entire article.
How Often Should You Replace a Kitchen Sponge?
I wish I could give you an exact number of days because that would make things much easier.
A sponge used several times a day in a family kitchen has a completely different life than one someone uses only occasionally. What you wash with it matters. How much food is left on the plates matters too, along with how much time the sponge has to dry between uses.
I used to judge it mostly by how it looked.
If it still held its shape and the rough side had not started to fall apart, I thought it could last a little longer. If you think no one has studied this seemingly trivial topic scientifically, you would be wrong! A study published in 2017 in the journal Scientific Reports analyzed used kitchen sponges and found very dense bacterial populations inside them. The authors concluded that long-term attempts at sanitizing them may offer limited benefit and mentioned regular replacement, even once a week, as a reasonable option.
Personally, one week seems perfectly reasonable to me for a sponge that gets heavy daily use. I replace it sooner if it starts to smell, if it stays greasy after a good rinse, if it starts to fall apart, or if it ends up in something that makes me no longer want it anywhere near clean dishes.
My husband’s protein experiment definitely falls into that last category.
How I Take Care of a Dish Sponge Between Replacements
I do not have a complicated routine for cleaning a sponge.
If taking care of a sponge starts to require its own weekly schedule, I would rather spend a dollar or two on a new one.
When I finish the dishes, I rinse it well until I no longer see food or detergent residue in it. Then I squeeze out as much water as I can and leave it somewhere air can circulate around it.
I also make sure to wipe down the kitchen surfaces regularly to keep the whole space clean.
Why Can a Kitchen Sponge Hold So Many Bacteria?
Once I thought a little more about how a sponge “spends its day,” so to speak, the answer became pretty obvious.
It gets wet, then picks up tiny bits of food, and stays damp inside much longer than it looks from the outside. A few hours later, we pick it up again and give it another dose of water and food residue. Its structure also has a huge number of tiny spaces where microorganisms can stay.
The presence of bacteria does not automatically mean that a kitchen sponge will make your family sick. Many bacteria around us pose very little risk to healthy people.
If you’re wondering how to reduce bacterial growth on your kitchen sponge, take a look at this video by Microbehunter, which explains how to do just that.
I No Longer Try to Save Every Kitchen Sponge
After more than twenty years of taking care of a home, I have learned that I can make almost any small household chore more complicated for myself if I try hard enough.
A kitchen sponge does not have to be one of them.
I rinse it well after use, squeeze out the water, leave it somewhere it can dry properly, and keep it away from raw food residue whenever I can.
As for my husband, technically speaking, he did wash his protein shaker yesterday. Still, by the time I threw out the sponge, cleaned the area around the sink, and dealt with the smell he left behind, I once again reached the conclusion that sometimes it is easier for me to just do the job myself.
At least his attempt gave me something useful.
I got a new kitchen sponge and a topic for today’s article.
