Vinegar and dish soap create an effective DIY trap for flies (especially fruit flies) by using the vinegar's fermented scent to attract them, while the soap breaks the liquid's surface tension, causing the flies to sink and drown when they land, as flies have oils that help them float on plain water. This combination lures them in and prevents escape, quickly eliminating them from an area.
Dish soap is a safe and natural way to kill flies. There are a couple of different approaches. You can use antibacterial dish soap with a spray bottle to kill the flies, or you can combine dish soap with apple cider vinegar to drown the pests in a trap.
Eradicating vinegar flies
The most popular, cheap and easy method is to put about an inch of apple cider vinegar in a glass or bowl with dishwashing liquid. This is Missenden's trap of choice. The fermented vinegar smells like rotting fruit and attracts the flies, he explains, then the detergent causes them to drown.
Mixing vinegar and Dawn is safe for general household cleaning and effective for degreasing when used correctly. Avoid combining either with bleach or hydrogen peroxide, don't use on acid-sensitive surfaces, rinse after use, and use registered disinfectants when disinfection -- not just cleaning -- is needed.
Vinegar and Dish Soap Trap
Simply fill a bowl with equal parts water and vinegar, add a few drops of dish soap, and place it in areas where flies are most active.
Flies hate strong, pungent smells, especially essential oils like lavender, eucalyptus, peppermint, and lemongrass, due to compounds like linalool that overwhelm their senses; other scents they dislike include strong herbs like basil and rosemary, and even things like cinnamon and citronella. These natural scents can be used in diffusers, sprays, or by planting them to create a fly-free zone, as flies prefer filth and are repelled by these clean, sharp aromas.
Maybe too much soap. Flies are attracted to vinegar because its got the same chemical that is produced in overripe fruit . If you add too much soap it will disguise the smell of the vinegar.
Bleach and vinegar mixture produces chlorine gas, which can cause coughing, breathing problems, burning and watery eyes. Bleach and ammonia produce a toxic gas called chloramine. It causes shortness of breath and chest pain. Bleach and rubbing alcohol makes chloroform, which is highly toxic.
“We let it sit for 10 minutes and then wipe the soap scum away.” Since then, I've learned that an added step makes this secret sauce even better — use the microwave before applying. In a microwavable safe glass container, mix ⅓ cup Dawn dish soap with 3 cups white vinegar. Microwave for five minutes until simmering.
A sudden influx of flies usually means they've found a nearby breeding ground, like rotting organic matter (garbage, pet waste, a dead animal in walls/attic), or are entering through gaps, often attracted by smells or light. To get rid of them, first identify and eliminate the source (clean drains, take out trash, find hidden carcasses), then block entry points (fix screens, seal cracks), and maintain strict sanitation (clean surfaces, manage waste, remove pet droppings) to prevent recurrence.
Although it may be accurate to say that vinegar “repels” flies in the long run, the opposite is technically true. In fact, vinegar attracts flies, as opposed to being repulsive to them. Particularly in the case of fruit flies, these insects are on the hunt for overripe fruit and the microbes they carry.
Try the Apple Cider Vinegar and Dish Soap Trap to Attract Flies. A famous home recipe to get rid of flies is the Vinegar Trap. Fill a disposable container with water, sugar, dish soap, and a few tablespoons of apple cider vinegar. Stir the sugar water solution together, then place it near a fly-infested area.
Fly strips, fly swatters, and fly ribbons stand out as the best indoor fly trap options for efficient and targeted fly control. Fly Strips, The Most Discrete Fly Killer Indoor Solution: Our fly strips are a hallmark of effective indoor fly control.
Create a fruit fly trap by mixing two or three drops of dish soap into a bowl of white vinegar and leave it where you have a fly problem. The vinegar will attract the flies and the soap will trap them.
It turns out that soap and alcohol—the two main ingredients in Dawn Powerwash—are both great at killing insects. The soap clogs up insects' breathing tubes, essentially drowning them. Alcohol dries them out as well.
It's basically just to make an acidic detergent. They "neutralize" each other in a pH sense but that doesn't mean it destroys the usefulness -- you still get the surfactant properties of the Dawn, and if you add enough vinegar it's also breaking down hard water stains.
Hotels keep glass shower doors clean using a multi-pronged approach: daily squeegeeing after each use, applying protective hydrophobic coatings, using water softeners to combat hard water, employing commercial cleaners with microfiber cloths or paper towels, and ensuring strict housekeeping routines with post-guest deep cleans. The key is consistent maintenance, not just occasional scrubbing, to prevent soap scum and mineral buildup.
But eight places you should never use vinegar include:
It can repel spiders. So if creepy crawlies are keeping you inside, this household staple to banish spiders from your porch or patio is undoubtedly worth a try.
However, this can occur when heavy rainfall meets blocked drains, and the drainpipes are unable to handle the volume of rainwater due to an outside drain blockage. That's why households are being encouraged to pour vinegar into their drains to help keep them clear.
If your countertops or shower are made of natural stone—marble, granite, limestone, or travertine—you may risk damaging them when cleaning with vinegar. "White vinegar, which contains acetic acid, can etch and damage these surfaces due to its acidic nature," says Sokolowski.
How do I rid my home of fruit flies? Much like getting rid of mice, I recommend setting a trap for the fruit flies. They are drawn to rotting fruit, so vinegar, a byproduct of the fermentation process, sets a perfect trap. Apple cider vinegar is probably best, but in a bind, beer or wine will work well, too!
Fruit flies often come in to your home through cracks in walls, loose seals around doors or windows, or via eggs laid inside of a piece of produce from the grocery store.
Apple cider vinegar, or cider vinegar, is a vinegar made from cider, and used in salad dressings, marinades, vinaigrettes, food preservatives, and chutneys. It is made by crushing apples, then squeezing out the juice.