To make sterile water, you have to maintain a temperature of 250 degrees Fahrenheit for a minimum of 20 minutes. This is achieved by the use of a pressure cooker. Follow the directions for removing the lid from the pressure cooker. You need a pressure cooker with a temperature gauge, clean water and a stove or a heat source.Continue Reading
Carefully pour the water into the pressure cooker. Cover the pressure cooker with its lid, and close it.
Light up the heat source, and place the pressure cooker onto the heat source.
Keep a keen eye on the temperature gauge. The water must boil and remain heated at a temperature of 250 degrees F.
Once the temperature has reached 250 degrees F, maintain this temperature for a minimum of 20 minutes to make sterile water.
Remove the pressure cooker from the heat source. Pour the water into a clean container, and cover it with a lid. Let the water cool. Your sterile water is ready for use.