How to Sterilize a Sponge

Sponges can pick up bacteria and viruses if they’re used a long time without cleaning. Putting them through the dishwasher or washing them in the sink isn’t enough. Follow these steps to sterilize your sponges.

Difficulty: Easy

Instructions

Things You'll Need:

• Bleach

Sterilize a Sponge with a Microwave

1. Rinse the sponge with clean water. Make sure the sponge is wet.

2. Put the sponge in the microwave.

3. Microwave the sponge on the microwave's highest power setting. An ordinary kitchen sponge should take about 2 minutes.

4. Remove the sponge from the microwave carefully. It will be hot.

5. Let it cool and your clean sponge is ready to be used.

Sterilize a Sponge with Bleach

6. Add 1 tsp. of bleach to 1 cup of water.

7. Soak the sponge in the bleach solution for at least 5 minutes.

8. Wring out the bleach solution and your clean sponge can be used.

Tips & Warnings

• Make sure the sponge is wet before you place it in the microwave. A dry sponge could catch on fire. Don't leave your microwave unattended while doing this.