Content

• Warning

• If you are using a container that holds heat well (like glass or porcelain), be careful when taking out the water and stirring. Use a handkerchief or cloth to prevent burns when handling.

To disinfect the water, continue to boil. If you want purified water, microwave enough time to kill microorganisms. The US Centers for Disease Control and Prevention recommends boiling water for at least 1 minute or 3 minutes if you are at altitudes above 2,000 meters. advertisement

Part 3 of 3: Preventing the harmful effects of overheating (More Tips)

1. 

   
   
   Carefully knock on the edge of the container after cooking. When you think the water has been heated enough, check that the water is too hot by tapping the edge of the container before taking it out of the microwave. It is best to use long instrument to protect hands.
   • If water really Too hot, knocking on the container can cause the water to suddenly "explode" on the surface. This can cause water to overflow in the oven, but you still won't get burned because you haven't taken the water out.

2. 

   Use a long object to stir while the water is still in the microwave. Still not sure if the water gets too hot? Use a long stick to stir it well. When you stir the water or put an object in the water, you create a psychoactive vapor for water bubbles to form; if the water is really too hot, it will quickly "explode" or boil. If not, congratulations! The water has been safely boiled.

3. 

   
   
   Remember to keep the heated water away from your face until you are sure it is safe. Needless to say, you not expose your face to even the slightest risk of overheating. Most injuries from overheating occur when people take water out of the microwave and look in; The sudden burst of overheated water can cause severe burns on the face, in the worst case also cause permanent vision damage. advertisement

Warning

• A cup with nothing inside (like a chopstick) has a high risk of overheating as bubbles have nowhere to gather. Putting an object in the water is only a small but really important step.
• Do not heat an airtight container in the microwave. The steam that opens inside the container can rupture the container and make a terrible mess!