Does Drano get rid of drain flies?

Author: Mozelle Bayer  |  Last update: Saturday, November 1, 2025

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.

How do I permanently get rid of drain flies?

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.

What is the best cleaner to get rid of drain flies?

Pour Vinegar and Baking Soda Down the Drain

This will clear out the buildup in your drains, eliminating drain fly habitats.

Will a liquid plumber get rid of drain flies?

Regular drain cleaners won't do the trick for drain flies. Pest control professionals recommend using foaming enzymes to break down the film coating that drains flies feed on and to target drain fly eggs. This treatment is safe and doesn't harm your plumbing.

Why do I suddenly have drain flies?

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.

Will Drano Kill Drain Flies? Stop Those Pests!

How long does a drain fly infestation last?

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.

How to prevent drain flies from returning?

It can be difficult to prevent drain flies completely, but you can reduce the chances of them being attracted to your drains by keeping them clean. This is as simple as refraining from putting clog-inducing items down the drain, like coffee grinds, rice, solid foods, hair, and more.

Can I use Drano for drain flies?

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.

Does pouring bleach down the drain get rid of drain flies?

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.

What smell do drain flies hate?

Peppermint, eucalyptus, and tea tree oils are especially beneficial. Pour a few drops of the chosen oil with water down the toilet. The oils' pungent aroma repels drain flies and disturbs their breeding cycle. To keep the solution effective, reapply it every few days.

How to find where drain flies are coming from?

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.

Does pouring vinegar down the drain help with flies?

Combing, boiling water, vinegar and baking soda will kill drain flies, but will also help remove all the flies breeding ground which includes hair, grime and grease. It will create a chemical reaction and an clear the blockages caused by organic matter in the drainpipe.

How to stop bugs from coming up the drain?

How To Prevent Bugs From Coming Up Your Drains
  1. Decrease Their Food Supply. ...
  2. Install Drain Covers. ...
  3. Use a Mixture of White Vinegar, Baking Soda, and Salt. ...
  4. Get a Professional Drain Cleaning. ...
  5. Fix Leaky Faucets. ...
  6. Replace Shut-Off Valves for Plumbing. ...
  7. Clean Frequently. ...
  8. Contact the Professionals.

What is the best drain fly killer?

Most Effective Products
  • Aerosol. Pyrid Insecticide Aerosol. 18 Ounce Can. As low as $27.99.
  • Ready-To-Use. Forid Drain Gel Cleaner. 64 Ounce. As low as $65.44.
  • Aerosol. Gentrol Aerosol Insect Growth Regulator. 16 Ounce. As low as $17.45.

Can you pour boiling water down the drain?

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.

Where do drain flies hide during the day?

During the day, adults rest in shaded areas or on walls near plumbing fixtures and on the sides of showers and tubs. Most activity occurs during the evening when these flies are seen hovering about drains and sinks.

What is the fastest way to get rid of drain flies?

Pouring boiling water down your drains can help remove buildup from the pipes and prevent drain flies from coming back, says Wong. Boil a pot of water and pour it down the drain where you suspect the drain flies are breeding.

Does pine sol get rid of flies?

Yes, using Pine-Sol to keep flies away is safe. According to the Pine-Sol product page, it is biodegradable and safe for use around pets. However, Thaeler suggests waiting until treated areas have dried before letting children or pets near to be safe.

Does boiling water get rid of drain flies?

The process of getting rid of drain flies is generally pretty simple. Usually, boiling water or baking soda and vinegar are enough to flush out their nest and send them on their way.

How do plumbers get rid of drain flies?

HydroScrub® Jetting is one of the most effective professional cleaning services available today. This system uses highly pressurized water—we're talking around 3,500 PSI—to blast all debris within your pipes into the city's main sewer line.

Why are the drain flies not going away?

In those instances, their breeding area may be a clogged gutter or other source of standing water outside. What if you're still unable to get rid of drain flies? If you have killed many sets of drain flies over the course of more than 2 weeks, your house many have a well-developed breeding site.

Can you spray for drain flies?

You can start by spraying your sink and down into your drain with a 1-to-3 mixture of water to standard 5% vinegar.

Do drain flies always mean a leak?

An ongoing or recurring infestation, despite careful sanitation of all drains, can indicate a broken pipe or leak under a slab or in a crawlspace beneath the home.

What scent gets rid of drain flies?

Furthermore, there are essential oils that have insect-repellent properties, which can help deter drain flies, including peppermint, eucalyptus, and lavender oils. To use these oils as a deterrent, just dilute a few drops in water and use a spray bottle to wash down the areas that are infested.

Will bleach get rid of drain flies?

While this chemical might get rid of some larvae, bleach passes quickly down the drain and does not penetrate the thick build-up where eggs are deposited by the female drain fly and larvae live. As a result, in most cases, bleach does not get rid of drain flies.

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