The Spruce / Candace Madonna

People whohand-wash a lot of dishesoften wonder whether hot water kills germs.

Others want to know if hot water kills germs in the laundry.

And some people want to save a little money and use cold water for both dishwashing and laundry.

person washing dishes

The Spruce / Candace Madonna

Does anyone have it right?

Most people can tolerate a temperature of 110 degrees for a short time, but that’s about it.

Specific water temperatures for killing germs are difficult to pinpoint, but drinking water provides a good reference.

bottle of bleach with a teaspoon

The Spruce / Candace Madonna

That oil and grime that you rinse away with the water contains bacteria or could otherwise host bacteria.

Be sure to do this in a separate sink basin or washing tub from the bleach solution.

The dishes must be submerged.

person washing dishes

The Spruce / Candace Madonna

There are very good reasons why you must wash the dishes first and air-dry them.

Making Water Safe in an Emergency.Centers For Disease Control and Prevention.

Michaels B, Gangar V, Schultz A et al.Water temperature as a factor in handwashing efficacy.Food Service Technology.

dishes submerged in a bleach solution

The Spruce / Candace Madonna

2002;2(3):139-149. doi:10.1046/j.1471-5740.2002.00043.x

Emergency Disinfection of Drinking Water.United States Environmental Protection Agency.

Avoiding Tap Water Scalds.U.S.

Consumer Product Safety Commission.

dishes drying in a dish rack

The Spruce / Candace Madonna

4 Steps to Food Safety.U.S.

Department of Health & Human Services.