You’re probably not doing it often enough.

I’ve often wondered, though, how often I should be replacing my sponge.

The kitchen sponge is the germiest place in the home, according to a2011 studyfrom the National Sanitation Foundation.

Two kitchen sponges next to a sink

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By comparison, only five percent of toilet seats had coliform.

Then, let the sponge air dry.

She zaps it on high for a minute.

A sponge and a yellow dish glove next to a sink

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Mohammad microwaves her kitchen sponge twice a day.

Ek suggests cleaning the kitchen sponge at least once a week.

If you use sponges, buy new ones frequently, that agency advises.

Mohammad replaces her kitchen sponge every week.She sometimes replaces it sooner if it is dirty.

In addition, food residues easily go into the sponge.

That wet, food-filled sponge becomes the perfect place for bacteria to grow quickly.

Billions of bacteria can grow in sponges, says Mohammad, but not all of them are dangerous.

Depending on the surface and jot down of bacteria, they can linger for days and make people sick.

They dry quickly so bacteria isnt as prevalent.

Kitchen brushes may also be a cleaner way to scrub your dishes.