How to use bleach in washing machine

Washing clothes in the washing machine can be a drag. There’s always this one spot that stubbornly refuses to come out clean. Chances are, it’s because of dirt, sweat, or oil residue build-up on the clothes. If you’re tired of dealing with these stains, you may want to take a look at how to use bleach in your washing machine.

Bleaching is a common technique used in laundry to remove built-up dirt, sweat, and other substances from fabrics. It works by breaking down the chemical bonds between the elements of color in the fabric. Bleach is available in water-soluble and insoluble forms. Water-soluble bleach is typically used in the laundry because it is biodegradable and harmless to delicate fabrics like wool and silk. Insoluble bleach, on the other hand, is more commonly used for surface cleaning and drapery cleaning.

In case you haven’t noticed yet, laundering your clothes can be a pain. And with each stain stemming back to a dirty shirt or pair of pants, it becomes that much harder to keep your wardrobe looking pristine. However, there are ways around this frustrating predicament. By using bleach in your washing machine, you can significantly reduce the amount of hard-to-remove stains on your clothing. Here’s what you need to know before getting started:

bleach in washing machine

Using bleach in a washing machine can help you achieve cleaner and brighter laundry. However, it’s important to use bleach correctly to avoid damaging your clothes or the washing machine itself. In this guide, we’ll walk you through the step-by-step process of using bleach in a washing machine, whether you have a top-loading or front-loading machine.

Sorting Laundry

Before using bleach, it’s essential to sort your laundry. Select items that are bleach-safe and are either white or colorfast. This will help prevent any unwanted discoloration or damage to your clothes.

Adding Laundry to the Washer

Once you’ve sorted your laundry, add it to the washing machine. Make sure not to overload the washer, as the clothing should be able to circulate easily through the water for optimal cleaning.

Adding Bleach

To achieve the best results, dilute the measured amount of bleach in 1 quart of water. For a standard washer, add the bleach to the wash 5 minutes after the wash cycle begins. This allows the detergent to mix with the water first.

Using Bleach in Top-Loading Machines

For top-loading machines, sprinkle the bleach directly into the water once the machine has filled up. This will ensure that the bleach is evenly distributed throughout the wash.

Using Bleach in Front-Loading Machines

If you have a front-loading machine with a bleach dispenser slot, pour the bleach into the designated slot on the front of the washing machine. This slot is specifically designed to release bleach at the appropriate time during the wash cycle.

However, if your front-loading washing machine doesn’t have a bleach dispenser, you can dilute the bleach in 1 liter of water and add it directly into the barrel of the machine. This will help prevent any direct contact between the bleach and your clothes.

Choosing the Right Cycle

To get the best performance from the bleach, select a heavy-duty cycle with hot water and an extra rinse. This combination will ensure that the bleach is thoroughly mixed with the water and that your laundry receives a deep clean.

Starting the Washer

Once the washer is about half full with water, add your regular detergent and the diluted bleach solution. This will ensure that the bleach is evenly distributed throughout the wash and properly combined with the detergent for effective cleaning.

Sanitizing with Bleach

If you want to sanitize your laundry, ensure that the laundry contacts the bleach solution for at least 10 minutes. This will give the bleach enough time to disinfect and kill any germs or bacteria present on the clothes.

Important Tips and Precautions

  • Always follow the directions listed in your washing machine’s user manual for the best results when using bleach.
  • Never mix bleach with other cleaning agents, as it can create toxic fumes.
  • Use caution when handling bleach, as it can cause skin and eye irritation. Wear protective gloves and avoid direct contact.
  • Store bleach in a cool, dry place away from children and pets.


Using bleach in a washing machine can be an effective way to clean and sanitize your laundry. By following the steps outlined in this guide, you can ensure that you use bleach safely and achieve the best results. Remember to always follow the instructions provided by your washing machine’s manufacturer and exercise caution when handling bleach.


  1. Can I use bleach on colored clothes?
    • No, bleach is best suited for white or colorfast fabrics. Using bleach on colored clothes can cause fading or discoloration.
  2. How much bleach should I use?
    • The amount of bleach to use depends on the size of your load and the concentration of the bleach. Follow the instructions on the bleach bottle for guidance.
  3. Can I use bleach in every wash cycle?
    • It’s not necessary to use bleach in every wash cycle. Reserve the use of bleach for when you want to sanitize or brighten your laundry.
  4. Is bleach safe for the washing machine?
    • Yes, bleach is generally safe for the washing machine when used according to the manufacturer’s instructions. However, overuse or using bleach on non-bleach-safe items can cause damage.
  5. Are there any alternatives to bleach for disinfecting laundry?
    • Yes, there are alternatives such as hydrogen peroxide or vinegar that can be used for disinfecting laundry. However, they may not be as effective as bleach.

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Camilo Kawas is a seasoned entrepreneur and expert in the field of commercial cleaning, with a specific focus on clothes, carpet cleaning and floor care. With a profound understanding of the importance of selecting the right products for effective stain removal from clothes, Camilo has established himself as a trusted authority in the industry.