What Is the Sanitize Cycle on a Dishwasher? | Whirlpool (2024)

What is the sanitize cycle on a dishwasher?

Dishwasher sanitize cycles use hotter water and longer wash times to kill 99.999% of food soil bacteria. A common question from owners is how hot does a dishwasher need to be to sanitize effectively? Per the National Sanitation Foundation, dishwashers are required to heat water to a minimum of 150°F, although some dishwashers may go above that. A sanitize cycle will typically increase the heat during the main wash and finish with an even hotter final rinse.

Sanitize settings can add up to 1.5 hours to your cycle. On the dishwasher console, they will sometimes be labeled as a “Sani-Wash” or “Sani-Rinse” add-on to existing cycles, and should be accompanied by a light that will tell you if the load has been successfully sanitized. The Sani-Rinse option on a Whirlpool^® dishwasher will eliminate 99.999% of food soil bacteria and can be added to a normal, sensor/auto or heavy cycle. There’s no need to load the dishwasher differently or go through any separate steps to run a sanitize cycle.

Should I use detergent with the dishwasher sanitize cycle?

Yes. During the Sani-Rinse option, the hot water does a good job cleaning, but detergent is always needed to lift stuck-on food and grease off dishes. In order to achieve the deepest possible clean during the dishwasher sanitize cycle, consult the owner's manual for your appliance for cleaning solution requirements before purchasing a detergent.

For product-specific information for your Whirlpool^® dishwasher, find the owner’s manual for your appliance on the Whirlpool Manuals & Literature page.

How often should I use the sanitize setting on my dishwasher?

The sanitize cycle is great for tough loads and occasional deep cleaning, but not necessary for everyday washes due to the extra time, energy and water they use. Using a sanitize cycle as directed by your dishwasher, or at least once a month, could help kill 99.999% of lingering food soil bacteria a normal wash didn’t get.

Should I use the sanitize setting to clean my dishwasher?

While a sanitize cycle will kill food-soil bacteria, you'll want to use a dishwasher cleaning product to get rid of any streaks or residue on the inside of your dishwasher. Products like the affresh^® dishwasher cleaner* usually recommend using a normal cycle rather than a sanitize cycle. Learn how to clean a dishwasher in three easy steps.

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Is sanitize setting the same as sterilize on a dishwasher?

No. When using an appliance to keep your dishes clean, the reaction that occurs during a dishwasher sanitize cycle is not the same as sterilization. While dishwasher sanitize cycles can kill up to 99.999% of food soil bacteria, they're not capable of achieving the temperatures required to make dishes sterile.

What is the difference between sanitizing and sterilizing?

While sanitization and sterilization are both antimicrobial processes, the degree to which each method kills harmful germs and bacteria varies.

Most commonly used in professional settings like hospitals and pharmacies, sterilization methods aim to eliminate all traces of bacteria. The sanitizing process aims to lower bacteria. Unlike the sterilization process, sanitization can be achieved through a variety of non-commercial technologies–like those used by your home dishwasher.

Do dishwashers get hot enough to sterilize?

No. To kill microorganisms on dishes, a minimum temperature of 250°F must be maintained for several minutes in order for sterilization to occur. Because this temperature is much higher than most home dishwashers are capable of achieving, running dishes through a sanitize dishwasher setting will not cause sterilization.

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