Yes. In many cases, Drano will kill drain flies, particularly Drano formulas that expand within your pipes, as this formula will come into contact with more drain fly eggs, larvae, and adults. However, Drano is not an effective long-term solution for eliminating drain flies because it can damage your drains over time.
Apple cider vinegar with a drop of dish soap: leave in a shallow plate or bowl (I used a tiny fish bowl from thrift store) near drains to catch those flying around. They will fly in and drown. Replace every day or every other day as needed.
While it may kill some adult flies upon contact, it does not address the underlying breeding site or larvae within the drain pipes.
Make a natural cleaning/fly killer mixture.
Mix together 1/2 cup of salt, 1/2 cup baking soda and 1 cup of vinegar. Pour the mixture down the drain. Let sit overnight, then flush the drain with hot water in the morning. This should kill all flies and the organic material they've been feeding on.
Draino first. Then after a day or so, spray every drain, faucet, place under the sink, vent, anywhere any bugs could come in with water mixed with peppermint oil. I've found it works with just about any bug including ants, flies, and spiders and have to do this once or twice a month.
Pour Vinegar and Baking Soda Down the Drain
This will clear out the buildup in your drains, eliminating drain fly habitats.
Drain flies thrive in stagnant and standing water. Common sources include slow or clogged drains, rarely used and unused toilets, refrigerator drain pans, and standing water created by leaking pipes. They typically enter buildings through basements, windows, and drains.
Use a Mixture of White Vinegar, Baking Soda, and Salt
Pour the mixture down the drain, and let it sit for 24 hours. This mixture should do the trick but may be a temporary solution.
Drain flies thrive in environments where organic material accumulates, such as: Clogged or Dirty Drains: Organic debris that builds up in your plumbing provides an ideal breeding ground for drain flies. Regular cleaning of your drains and routine pest control treatment helps prevent these pests from taking hold.
You can get rid of any bugs that might be living in your drain by mixing a cup of white vinegar with a half cup of baking soda and salt. Pour the mixture down the drain, and let it sit for 24 hours. Once it has sat, pour boiling water down the drain to kill any bugs and clean the drain.
You can use Drano® Clog Removers to unclog a kitchen sink, bathroom sink, shower or clogged bathtub, but DO NOT use them in toilets.
For example, adult drain flies love to feed and breed in slow-moving or clogged drains because they provide plenty of decomposing material in which to lay their eggs. If any of your drains are noticeably backed up, chances are those are the source of the problem.
Drain flies look like tiny black bugs with wings and are inclined to crop up around drains in tubs and sinks. They can also show up in quite large numbers when they make their way indoors.
DIY solutions are a popular way to get rid of roaches in the drain, but they may not be the best option. While pouring bleach down the drain can kill roaches, it's a harsh chemical that can be harmful to your plumbing over time. Alternatively, many people turn to methods using baking soda and vinegar.
The Santeen Sulfuric Acid Drain Opener proved to be the most potent among all the chemical drain cleaners we tested, effectively dissolving 80% of the hair, 80% of the organic matter, 40% of the grease and 76% of the paper products.
The average cost for drain fly pest control services is $200. However, the price can range from as low as $100 to $500 in some cases, depending on the severity of the infestation and the size of the area that needs to be treated.
The simple answer is yes but with a caveat. While bleach can kill drain flies and their larvae on contact, it's not the most effective method for long-term control. Bleach's caustic nature allows it to clean the drain pipes and kill some of the larvae.
Pouring boiling water is quite risky as it might lead to a steam burn or scalding. Another thing to keep in mind is what type of material you are pouring in into. If you have a porcelain sink, it is likely to crack due to the heat. All in all, pouring boiling water down your drain will only cause issues down the road.
Why Are Bugs In My Shower? Several types of crawling pests find refuge in sewers and piping because it's wet and full of food sources. The main problem clients experience is when they surface into bathrooms by way of drains and connecting pipes in areas such as your bathtub in search of food.
If your drain fly issue persists, consider using commercial drain cleaners such as Drano. These solutions are formulated to clear out the drains and pipes effectively, removing any debris that might serve as a breeding spot for drain flies. Using these products can aid in preventing new eggs from hatching.
Cockroaches are nocturnal creatures and often crawl into your drains at night. Cover the drains every night before bed to prevent them from entering through the drain and venturing further into your home. A rubber stopper or metal drain screen is a simple yet effective solution to keeping roaches at bay.
Baking Soda, Boiling Water & Vinegar
The pour half a cup of bicarb soda down the sink as well, followed by a half cup of white vinegar. Let it settle for a few minutes then poor some more boiling water down the drain. Follows these steps every few days until the drain flies have completely disappeared.
Learn the Pest Biology
Knowing the life cycle helps you fight fly infestations. Life Cycle: Adult females lay 30–100 eggs in sludge around sewage and drainage areas. Eggs hatch in 32–48 hours, larval stage lasts 8–24 days, pupal stage 20–40 hours. Adults live about two weeks.
Homemade drain fly traps: Place a solution of apple cider vinegar and dish soap in a shallow dish. "The flies will be attracted to the vinegar and get trapped in the soap," Kunz advises. Microbial drain cleaner: An enzyme or microbial-based drain cleaner will feed on the biofilm and remove the food source and larvae.
Drain flies feed on filth and scum that can build up in areas such as drains, drain openings, sewers, septic tanks, and kitchen sinks. A great way to identify which drain-source the flies are coming from is to put clear tape over the drain so that they will fly into it and get stuck.