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How to Clean Cups

How to Clean Cups

For many people, the day doesn’t start until they’ve had their coffee or tea. Cups play a vital role in quenching our thirst for these beverages that start from morning coffee to evening teas. 

However, with so many fill-ups, the cups can accumulate stain rings, which require regular cleaning to maintain hygiene and prevent potential health risks. Luckily, this cleaning task has been much easier with state-of-the-art dishwashers and high-quality dishwasher detergents

In this article, we will explore an effective method on how to clean cups, ensuring they remain spotless, odor-free, and safe for everyday use.  

Are cups and mugs dishwasher safe?

Glass, ceramic, plastic, stainless steel, and glassware cups and mugs are safe for washing in the dishwasher. However, setting aside any homemade or hand-decorated cups or mugs is important. 

To learn more about which items are dishwasher safe and which aren’t, check out our 15 things you should never put into a dishwasher article. 

Skip the pre-rinse, save the water 

You don’t have to pre-rinse the cups and mugs when washing them in the dishwasher with Finish, the #1 detergent recommended by leading dishwashing manufacturers.

Available in tablet, liquid, and powder form, Finish dishwasher detergent targets stuck-on food with scrubbing power and provides ultimate shine to your dishes.

In addition, pre-rinsing the cups and mugs will convince the dishwasher that there aren’t enough food particles for a good cleaning reaction. Hence, it will compromise the cleaning efficiency of the appliance and detergent. 

Load up the dishwasher

Knowing how to load the dishwasher properly is crucial for preventing overloading the kitchenware, which reduces the risk of unsatisfactory cleaning. 

The best way to load your coffee and tea cups and mugs in the dishwasher is facedown on the top rack so the water and detergent can effectively clean inside. 

Top off with rinse aid

Like the fancy foam that tops off your espresso, Finish Rinse Aid helps prevent water spots on your dishes, ensuring brilliant shine on your glasses and dishes. 

It works in each dishwasher rinse cycle by providing a protective barrier between food and dishes. When used regularly, its special formula will help leave your dishes streak–free and dry—ready for your next big occasion!

How to use rinse aid

  1. Fill the Rinse Aid chamber and keep it topped up. 
  2. If your dishwasher's red light blinks, your rinse aid levels are low. Please refill the Rinse Aid chamber.

For optimal results, combine with your Finish Ultimate All-in-1 tabs.


It's a good idea to clean your cups regularly, ideally after each use, to prevent the buildup of stains, odors, and bacteria. However, if you cannot clean them immediately, rinse them thoroughly and clean them as soon as possible to avoid stubborn stains.

Dishwashers use water that is heated to a much higher temperature than water from the tap. This rise in the water temperature has eliminated more bacteria than when dishes are washed by hand. Find out everything about your dishwasher water with Finish’s dishwashing temperature guidelines.

If you don’t wash cups and mugs, the leftover residue can lead to bacterial growth, potentially causing health risks. Additionally, stains and odors may develop over time, affecting the taste and quality of your drinks.