Lemon in your dishwasher: Cleaning hack or myth?
By
Aubrey Razon
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We’re all on the hunt for the next big cleaning hack to keep our kitchens spotless. Lately, lemons in dishwashers have been stealing the spotlight as a surprising solution.
But does this citrus trick really work, or is it just another myth?
The idea of using lemons as a cleaning agent isn't new.
Their natural acidity, particularly from citric acid, has been a go-to for domestic cleaning for centuries, especially in times before the advent of chemical products.
Lemons, along with oranges and vinegar, have been praised for their ability to tackle stains and disrupt proteins found in germs.
But does this traditional method stand up to the test of modern science?

Consumer Reports and various studies, including one from the Journal of Environmental Health in 1994, have weighed in on the effectiveness of natural cleaners.
While lemons and vinegar have some cleaning merit, they fall short compared to commercial cleansers.
The study revealed that microbial counts on laminate tile were significantly reduced after using chemical applications, which were also more adept at removing soil.
Vinegar did come out on top among natural cleaners, but still, it wasn't as effective as store-bought options.
Lemons do have their place in the cleaning arsenal.
Their citric acid content makes them chelating agents, which can be quite effective against limescale—a common nemesis found on faucets, showers, and yes, even dishwashers.
The ability of citrus fruits and vinegar to dissolve limescale can sometimes outperform conventional cleaners that don't use citric acid as an ingredient.
However, when it comes to your dishwasher, a couple of lemon halves are unlikely to do the trick.
Not to mention, lemon seeds could potentially clog the drain, turning your cleaning hack into a plumbing hazard.
For a thorough clean, commercial dishwasher cleaners and regular filter changes are your best bet.
If you're leaning towards commercial cleaners, there's a right way to wield them.
It's crucial not to wipe them off immediately after application. Most cleaners come with instructions indicating the necessary dwell time on the surface—ranging from 30 seconds to 10 minutes—to either sanitize or disinfect effectively.
And remember, if you're dealing with a lot of soil build-up, pre-clean the area before applying any solution.
So, what's the verdict on using a lemon to clean your dishwasher?
While lemons and other citrus fruits have their uses, particularly for removing limescale and deodorizing small surfaces like cutting boards, they are not the heavy hitters in the world of germ warfare.
Chemical cleaners specifically formulated for disinfection are far superior.
However, the pleasant association between citrus scents and cleanliness persists, which is why many commercial cleaners still boast a lemony fragrance.
In conclusion, while a lemon in your dishwasher might offer a mild clean and a fresh scent, it's not the ultimate solution for a deep clean or disinfection.
For those tasks, trust in the products designed for the job, and save the lemons for your water or a zesty garnish on your favorite dish.
Have you tried using lemons or other natural products for cleaning? What are your go-to tips for keeping your dishwasher in tip-top shape? Share your experiences and tips with us in the comments below.
But does this citrus trick really work, or is it just another myth?
The idea of using lemons as a cleaning agent isn't new.
Their natural acidity, particularly from citric acid, has been a go-to for domestic cleaning for centuries, especially in times before the advent of chemical products.
Lemons, along with oranges and vinegar, have been praised for their ability to tackle stains and disrupt proteins found in germs.
But does this traditional method stand up to the test of modern science?

Lemons, oranges, and vinegar are seen as natural cleaning agents due to their acidity. Image source: Lisa Fotios/Pexels.
Consumer Reports and various studies, including one from the Journal of Environmental Health in 1994, have weighed in on the effectiveness of natural cleaners.
While lemons and vinegar have some cleaning merit, they fall short compared to commercial cleansers.
The study revealed that microbial counts on laminate tile were significantly reduced after using chemical applications, which were also more adept at removing soil.
Vinegar did come out on top among natural cleaners, but still, it wasn't as effective as store-bought options.
Lemons do have their place in the cleaning arsenal.
Their citric acid content makes them chelating agents, which can be quite effective against limescale—a common nemesis found on faucets, showers, and yes, even dishwashers.
The ability of citrus fruits and vinegar to dissolve limescale can sometimes outperform conventional cleaners that don't use citric acid as an ingredient.
However, when it comes to your dishwasher, a couple of lemon halves are unlikely to do the trick.
Not to mention, lemon seeds could potentially clog the drain, turning your cleaning hack into a plumbing hazard.
For a thorough clean, commercial dishwasher cleaners and regular filter changes are your best bet.
If you're leaning towards commercial cleaners, there's a right way to wield them.
It's crucial not to wipe them off immediately after application. Most cleaners come with instructions indicating the necessary dwell time on the surface—ranging from 30 seconds to 10 minutes—to either sanitize or disinfect effectively.
And remember, if you're dealing with a lot of soil build-up, pre-clean the area before applying any solution.
So, what's the verdict on using a lemon to clean your dishwasher?
While lemons and other citrus fruits have their uses, particularly for removing limescale and deodorizing small surfaces like cutting boards, they are not the heavy hitters in the world of germ warfare.
Chemical cleaners specifically formulated for disinfection are far superior.
However, the pleasant association between citrus scents and cleanliness persists, which is why many commercial cleaners still boast a lemony fragrance.
In conclusion, while a lemon in your dishwasher might offer a mild clean and a fresh scent, it's not the ultimate solution for a deep clean or disinfection.
For those tasks, trust in the products designed for the job, and save the lemons for your water or a zesty garnish on your favorite dish.
Key Takeaways
- Lemons, oranges, and vinegar are seen as natural cleaning agents due to their acidity, with lemon in particular having a historical association with cleanliness.
- However, studies show that these natural solutions are not as effective as commercial cleaners in disinfecting and removing soil.
- Citrus fruits may be useful in certain situations, like removing limescale, due to their chelating properties which interfere with magnesium and calcium.
- For maintaining a dishwasher, commercial cleaners and changing the filter regularly are recommended over natural alternatives like lemons.