Can you clean a moldy dishwasher with bleach?

• <div><p>Your first instinct might be to grab the bleach to clean a moldy dishwasher, but it’s not the best product for the job. You don’t want to use bleach to <a href="https://www.angi.com/articles/how-clean-stainless-steel.htm">clean stainless steel</a> components if your dishwasher has them, as it can cause significant damage. In addition, the scent of bleach can linger if not rinsed well, causing your dishes to retain a smell (and even taste) of bleach.</p></div>

Why does a dishwasher have to drain through the sink plumbing?

• <div><p>Any drain in your house requires a water trap to prevent sewer gases from entering the home. Dishwashers don’t have an internal water trap, so they must use an external P trap. The most convenient P trap for the dishwasher is already in the plumbing under your sink.</p></div>

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Verified Reviews for Dishwasher Installation pros in Allston, MA

*The Angi rating for Dishwasher Installation companies in Allston, MA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Dishwasher Installation needs.

*The HomeAdvisor rating for Dishwasher Installation companies in Allston, MA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Dishwasher Installation needs.

Last update on March 24, 2026

Reviewed in March 2026
The dishwasher was leaking, and the technician came out and fixed the issue quickly. The price was fair, and the service was great. Very responsive, professional, and easy to deal with. Highly recommend.
Pro Appliance Express, LLC.
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Reviewed in September 2025
José was fantastic! He was very kind, professional, and respectful. This company has fixed washer and dryer machines, intercoms, dishwashers, and more. Everything was done quickly and efficiently. I highly recommend!!
JG Appliance repair
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Reviewed in February 2025
Saved us from having to purchase a new dishwasher! Friendly, professional, and skilled!
BK Appliances
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Reviewed in July 2023
The owner called me right away, talked me through the options, provided a fair quote, and came out the next day to install the new water heater. A great experience from start to finish.
M.A. Paone Plumbing & Heating
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Reviewed in March 2023
Was on time and fixed the dishwasher quickly. Did a great job and I would use him again for any appliance issue I had.
A.E.T Services, LLC
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Reviewed in March 2023
Dexter provided, efficient, timely, honest, expert evaluation of our dishwasher
APS Electronics
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Reviewed in November 2021
The project is not finished. Need to install a medicine cabinet. Took 6 months to start the project. On Nov 23, Darrell Interbartolo came but no plumber was scheduled. He did as much as he could and also had to work within the condo constraints. On Nov 24, the plumber, Gregory, arrived and set...
Newpro Operating, LLC
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Reviewed in November 2021
He installed a glass backsplash in my kitchen and did an excellent job. Arrived on time, had all the right tools and creatively solved a minor installation issue. Very professional and knowledgeable. I’ll hire him again.
Roger Carpentry
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Reviewed in January 2021
Mike was great. He was courteous and polite. They were suppose to remove the dishwasher as well, but Mike was alone, but he informed me that he will arrange for pickup to remove the old dishwasher on another day. I paid in full for the service which included removal. Thinking in the back of my...
Northeast Appliance Pro's Inc.
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Reviewed in November 2020
Jeff made the process as easy as possible. He recommended the best solution and got it installed quickly. I would definitely recommend J Griffin plumbing and heating to others.
J.Griffin Heating & Plumbing
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Dishwasher Installation questions, answered by experts

Your first instinct might be to grab the bleach to clean a moldy dishwasher, but it’s not the best product for the job. You don’t want to use bleach to clean stainless steel components if your dishwasher has them, as it can cause significant damage. In addition, the scent of bleach can linger if not rinsed well, causing your dishes to retain a smell (and even taste) of bleach.

Local plumbing codes and manufacturer recommendations typically dictate the minimum distance between a sink and a dishwasher. This is generally 18 to 24 inches, providing enough room for easy loading and unloading of dishes without hindering the sink's function. Maintaining this separation not only adds convenience but also reduces the chances of water damage and optimizes plumbing connections.

Any drain in your house requires a water trap to prevent sewer gases from entering the home. Dishwashers don’t have an internal water trap, so they must use an external P trap. The most convenient P trap for the dishwasher is already in the plumbing under your sink.

Not all dishwasher noises are signs of trouble, as dishwashers naturally make sounds during operation. Normal sounds for a functional dishwasher include humming, swishing, and sloshing. However, if you hear problematic noises such as pounding, drumming, grinding, or rattling, it could be a sign of an underlying issue, and you should consider having a technician inspect your appliance.

Professional services ensure correct installation, verify water-tight seals, and safely address plumbing and electrical connections in dishwashers.

The Allston, MA homeowners’ guide to dishwasher installation services

From average costs to expert advice, get all the answers you need to get your job done.

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