Can You Wash Dishes with Bleach? Key Tips on Using Bleach Safely – RusticWise (2023)

For those times when you want to get a deep clean to kill viruses and bacteria, the first thing most people think of is breaking out a bottle of bleach.

But can you wash dishes with bleach safely? Bleach can be used as a further disinfecting step after you’ve already washed dishes with soapy water and rinsed them. Never mix bleach with dish soap or other cleaners! You should first dilute the bleach in water to create a solution to dip dishes in.

Disinfecting dishes with bleach isn’t something you need to do for everyday use. We’ll take a look at how to safely disinfect dishes step by step, plus other bleach safety tips.

Roll up your sleeves and let’s get started!

Can You Wash Dishes with Bleach? Key Tips on Using Bleach Safely – RusticWise (1)

The difference between cleaning, sanitizing, and disinfecting

The terms cleaning, sanitizing, and disinfecting are used interchangeably. But there are key differences according to the U.S. Environmental Protection Agency (EPA).¹

The EPA classifies products used as sanitizers and disinfectants as “antimicrobial pesticides.”

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  • Cleaning: This refers to the process of using regular soap or detergent to remove any dirt or debris from surfaces. Cleaning may not kill all germs, but helps reduce the number of harmful bacteria. This is the first step before you move on to sanitizing or disinfecting.
  • Sanitizing: This involves killing bacteria (but NOT viruses) on surfaces with products. By sanitizing surfaces, you are reducing the number of bacteria and lowering them to a safer level. Sanitizing doesn’t necessarily clean surfaces.
  • Disinfecting: This refers to the use of products designed to kill both bacteria AND viruses. This involves products such as bleach. Effective disinfecting practices may involve leaving the product on surfaces for a certain timeframe. Disinfecting doesn’t necessarily clean surfaces.

What’s in household bleach?

Most of us have a bottle or two of liquid household bleach at home. You might use it for laundry to brighten whites, or as a disinfectant solution.

The main active ingredient in regular bleach is a sodium hypochlorite solution which ranges in concentration between 2 and 10 percent.² The stronger the sodium hypochlorite solution, the more disinfecting power the bleach has.

Tip: The U.S. Centers for Disease Control and Prevention (CDC) recommends using unscented chlorine bleach with a sodium hypochlorite concentration between 5 and 10 percent when preparing bleach solutions for disinfecting dishes. (This is the standard amount found in most household bleach products).³

Do you really need to wash dishes with bleach?

No, for everyday washing, you don’t need to use bleach. Regular dish soap with warm water works just fine to clean and remove surface debris for most situations.

When you may want to use bleach on dishes

Sometimes life throws you a curveball. There are certain times when you may wish to take the extra step to disinfect or sanitize your dinnerware:

  • When a sick family member has used dinnerware.
  • When dishes have been exposed to floodwater.

Things you should NOT wash with bleach

Bleach works best on hard, non-porous surfaces. Don’t use bleach on the following surfaces:

  • Porous materials such as wood
  • Stone countertops such as granite
  • Most metal surfaces, including stainless steel, silver, or aluminum (may corrode)
  • Scratched or chipped enameled cookware
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Can you mix dish soap and bleach to wash your dishes?

No, it’s NOT safe to mix bleach with dish soap or other cleaners (especially ammonia). Mixing bleach with dish water may release toxic gases. Besides, the bleach may get into your eyes or irritate your skin.⁴

While you might think you’re getting a two-for-one deal by adding a bit of bleach to disinfect dinnerware and save yourself time, the dish soap makes the bleach ineffective—they cancel each other out.

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It’s best to wash dishes first, then follow up with a bleach cleaning solution.

Essential safety tips before you get started

  • Use a plastic wash basin rather than your kitchen sink to hold your bleach solution. Stainless steel sinks may get damaged with bleach.
  • Never mix bleach with ammonia or other acid-based cleaners! It creates a chemical reaction and releases toxic fumes.
  • Don’t bother trying to add bleach to your soapy water, as mentioned in the section above. Dish soap and bleach when mixed will cancel out their cleaning/disinfecting properties.
  • Protect your eyes! Wear gloves and avoid breathing in fumes.

Don’t forget to dilute the bleach!

An essential bleach safety tip is to use the correct concentration. Always dilute bleach before using for cleaning dishes.

The CDC recommends using:

  • 1 tablespoon (15 milliliters) bleach
  • 1 gallon (3.8 liters) water

Can you wash dishes with bleach? Here’s how to disinfect dishes with bleach step-by-step

  1. Wash dishes with regular liquid dish soap and clean, hot water.
  2. Rinse well with clean water.
  3. Put on protective gloves. Prepare a wash basin with your sanitizing solution: 1 tablespoon of liquid bleach to 1 gallon of warm water. Do not use hot water as the high temperature causes bleach to dissipate.⁵
  4. Let the dishes sit in the sanitizing solution for at least 5 minutes.²
  5. Remove dishes and allow to air dry. Avoid using a drying towel as this may introduce bacteria.

Remember to safely dispose of the bleach solution down the sink or toilet afterwards.

Can you reuse a bleach solution?

No, it’s not a good idea to reuse a bleach solution. Bleach solutions begin to lose its potency after about 24 hours.²

Other ways to sanitize dishes (without bleach)

Besides using bleach, there are a few other ways you can rid your dinnerware of harmful germs.

  • Dishwasher sanitize feature: Some dishwashers have a sanitize feature that heats dishes to higher temperatures than regular cycles to effectively kill some bacteria. North Carolina State University says temperatures of 170–180 degrees Fahrenheit (77–82 degrees Celsius) are required to sanitize and reduce the number of bacteria to safe levels. (Note that sanitizing doesn’t remove all bacteria or viruses.)⁵
  • Boiling hot water: This hot water method is the good old-fashioned way to remove most microorganisms. Place clean dishes in a clean basin. Prepare a kettle of boiling water. Pour boiling water over the dishes and let them sit for several minutes. (Make sure dishes are at least room temperature to avoid cracking.) Remove once cool and allow dishes to air dry.

Can you wash dishes with bleach? Final thoughts

For everyday purposes, there’s no need to wash dishes with bleach—hot soapy water works just fine. But, if you’d like to take a few extra steps, you can prepare a diluted bleach solution of 1 tablespoon liquid chlorine bleach to 1 gallon of water in a clean wash basin.

Bleach works to disinfect dishes by killing bacteria and viruses. First, wash dishes with soapy water and rinse. Next, let your dinner dishes soak in the bleach solution and then air dry.

Never mix bleach with other cleaning solutions, such as dish soap or ammonia!

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Related questions

What’s the shelf life of bleach?

Bleach begins to lose its potency after about 1 year after production. Store bleach away from direct sunlight and heat. Ideally, store bleach at room temperatures below 77 degrees Fahrenheit (25 degrees Celsius).

Is dish soap a disinfectant?

The soap and water mixture you use to wash your dishes should not be confused with actual disinfectant. Disinfectants are a liquid or chemical substance used to kill microorganisms. Soap and water is helpful in removing some bacteria and food residue from the surface of a dish—it does not actively kill all types of bacteria or viruses.

Use soap and water for general cleaning. Effective disinfectants (such as bleach) are regulated and have been proven to have the ability to kill off a wide range of microorganisms and prevent the spread of disease via surface-to-surface contact.

Do dishwashers sanitize dishes?

Yes, some dishwashers have a sanitize setting which effectively heats dishes at higher temperatures for longer periods of time to reduce the number of microorganisms. Keep in mind that sanitizing involves reducing the level of bacteria to an acceptable, safer level, but doesn’t effectively kill all bacteria.

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  1. U.S. Environmental Protection Agency (EPA), What’s the difference between products that disinfect, sanitize, and clean surfaces?, Accessed May 2022.
  2. Michigan State University, COVID-19 – Disinfecting with Bleach, Accessed May 2022.
  3. U.S. Centers for Disease Control and Prevention (CDC), Cleaning and Sanitizing with Bleach after an Emergency, Accessed May 2022.
  4. California Department of Pesticide Regulation, Bleach factsheet, Accessed May 2022.
  5. North Carolina Cooperative Extension, Washing and Sanitizing Kitchen Items, Accessed May 2022.

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Author: Josh Tesolin

Josh is co-founder of RusticWise. When he’s not tinkering in the garden, or fixing something around the house, you can find him working on a vast array of random side projects.

Read more about him here


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