Life Cycle. Drain flies, also known as moth flies or sewer flies, are small, hairy, moth-like insects measuring 2 to 5 millimetres long depending on the species. They are weak fliers and are often seen walking near breeding sites. Females lay 30 to 100 eggs in masses on the surface of breeding medium. If you want to use ammonia to remove drain flies, then you’ll just need to do the following: When you don’t plan on using the sink again, pour 3 or 4 cups of ammonia down the drain, and then allow it to sit. Once morning comes, flush the pipe with boiling hot water. Keep repeating this step until the drain flies have been removed permanently. 3. Vinegar and dish soap trap. Danielle Daly. If you find your fruit flies impervious to your plastic wrap or paper cone traps, try adding three drops of dish soap to a bowl of vinegar and leave ...Jul 21, 2023 · To prevent drain fly infestations in your RV, take the following steps: Keep your RV’s drains and pipes clean and dry by regularly flushing them with hot water. Adding baking soda and vinegar is also helpful. Periodically clean and sanitize your RV’s black tank and gray tanks with an enzyme drain cleaner or bleach. Fruit flies like moist areas, so the culprit locations are typically kitchen and bathroom sink and shower drains. Pour a bacterial digester down your drain to kill off any eggs that may be there. If you don’t have any on hand, bleach can work as a substitute, but being so thin and runny it may not stick well enough to the eggs to kill them. [7]3. Vinegar and dish soap trap. Danielle Daly. If you find your fruit flies impervious to your plastic wrap or paper cone traps, try adding three drops of dish soap to a bowl of vinegar and leave ...Yes, bleach does kill drain flies. But if you are concerned about using bleach in your drains – you can look into some commercial and home remedies that are …It will kill the larvae but the important thing to remember is they only breed in stagnant water. Make sure water at water line is fresh and if it's a floor sink clean it and run drain basket ...Pour around ¼ cup of apple cider vinegar into a glass. Secure a plastic wrap on the glass with a rubber band. Use a toothpick to create small holes in the wrap. Place one or more traps near problematic drains. Drain flies are attracted to the sweet-smelling vinegar and will be attracted through the holes but won't be able to escape back ...When it comes to ensuring clean and safe drinking water, there are several methods available. One such method is using bleach to purify water. While it may seem unusual to use a ho...A common misconception is that pouring boiling water and/or bleach down a drain will control these flies. However, these treatments do not remove the organic ...Yes, It does. However, bleach may not be the ultimate solution, as it doesn’t effectively target their eggs and larvae. This limitation arises because bleach tends to flow rapidly through the drain, not allowing enough time to break down the build-up where eggs and larvae reside. To enhance the effectiveness of your drain fly control efforts ...Weeds are an unwelcome sight in any garden or lawn. They can take over quickly and be difficult to get rid of. Fortunately, there is an easy and inexpensive way to kill weeds: usin...Pour around ¼ cup of apple cider vinegar into a glass. Secure a plastic wrap on the glass with a rubber band. Use a toothpick to create small holes in the wrap. Place one or more traps near problematic drains. Drain flies are attracted to the sweet-smelling vinegar and will be attracted through the holes but won't be able to escape back ...Need to catch some rats? Find your ultimate solution: https://shop.twintraps.com/How to stop rats from ever entering your home again: https://shop.twintraps....Feb 6, 2024 · 1. Clean your drain manually with a pipe brush or drain snake. Removing the sludge inside your drain and pipes takes away the drain flies’ food source and prevents them from laying additional eggs. Run some warm water down the drain and then insert a pipe brush or snake as far as you can to dislodge eggs, larvae, and buildup. [1] Bleach is not effective for killing drain flies, which are small flies that live in your pipes and lay eggs. Bleach can damage your pipes and cause leaks. … If bleach comes into contact with drain flies, then it’s enough to kill them. However, it’s important to remember, that you’ll need to use bleach multiple times to get the best results. Only flushing your pipes or toilet with bleach once won’t be enough to remove all the drain flies. Feb 22, 2023 · Bleach is a powerful cleaning agent that is commonly used to kill a variety of household pests, including fruit flies. The active ingredient in bleach, sodium hypochlorite, disrupts the cell membrane of the insect, causing it to die. This makes bleach an effective solution for killing fruit flies living in drains however, it will not get rid of ... Let it sit for 30-60 minutes and flush it with hot water. Often you have to repeat this process a few times to get rid of all the organic matter in the pipe. If you prefer using natural methods, you can pour baking soda (2-3 tbsp.) and then a …While it is true that bleach can help kill adult drain flies, the efficacy of this cleaning agent in completely eradicating an infestation might be limited. In …Vinegar, Baking Soda and Boiling Water. The vinegar, baking soda and boiling water trick will do more than get rid of the flies – it will also leave you with squeaky clean drains. Here’s what you’ll need: 1/2-cup baking soda. 1 cup vinegar. Pour baking soda down the drain first, then add the vinegar slowly. Leave it for about 10 minutes before flushing the drain with water. Bleach can help to kill drain flies and their eggs, but use caution as it can be harsh on pipes and should not be used in large quantities. Essential Oils: Mix 10-15 drops of essential oils such as peppermint, eucalyptus, or tea tree oil with 1 cup of water and pour it down the ... 10 Apr 2014 ... Caustic drain cleaners (such as lye-based cleaners) are not as effective as other means and must never be followed with bleach since chlorine ...Mostly phorid flies and some sciarid flies (called dark-winged fungus gnats). Phorids are also called drain flies, but moth flies (psychodids-which you don't have) also called drain flies. Both of your flies could be drain-associated. Often the sciarid flies are associated with soil and plants.Such products are more effective in removing organic materials in drains and sump pits than bleach. Since adult drain flies can fly away when you’re cleaning, you can eliminate them using chemical sprays. Pyrethrin aerosols are the best for such a task. Dish wash soap is also good at killing these flies. Just mix it with warm water and spray ...A cup of household bleach is generally more than sufficient to kill most drain flies, and all you need to do is pour it down the affected drain. The flies should die off within a few hours, because the chemical is strong enough to kill the flies. They can also be an annoyance to homeowners who have to clean up after their pets.Fill a jar, mug, or dish with an inch of apple cider vinegar. Poke small holes in the plastic wrap or cling film to lure flies in but prevent them from escaping. Leave out near where you're seeing them most and watch them flock to their demise. (Image credit: Getty Images) 3. Flush your pipes with boiling water.Jun 4, 2022 · No. Bleach will not resolve a drain fly infestation. Bleach may kill the drain flies it comes in contact with. However, it will not destroy the protective layer around drain fly eggs, meaning the drain flies will hatch and return as soon as they mature. The newly matured flies will lay more eggs, and it will become an endless cycle of killing ... Add up to 20% liquid soap to the spray bottle and fill the rest of the volume with water. This way will bleach & kill drain flies. Make sure the insects get wet! If you notice this kind of house flies in the kitchen, leave a mixture of sugar, warm water, and white vinegar in a bowl overnight. It will attract them.Pour a liquid soap into the drain to wash away leftovers. Then place ice cubes there to remove the remaining food particles and run hot water. Pour half a cup of baking soda and cover the garbage disposal. Leave it for ten or more minutes. How to get rid of drain flies in washing machines.Pouring bleach or strong chemical cleaners down a drain will not remove the buildup that the flies lay eggs in, and it might damage your plumbing. If you want ...Here are five ways to do so: Clean your sink: Start with cleaning your sink and drain with your usual cleaning solution. Use a pipe brush to scrub …Probably gnats? Get the drains clogged on purpose then pour kerosene down them then light them on fire. No way such a plan could fail.How to Get Rid of Drain Flies. Fuzzy winged insects flying out of seemingly clean sinks are the stuff of homeowners' nightmares. If you can unclog and clean up a drain, however, you …Flies will be attracted to the fragrant liquid and drown. Boil a pot of water and pour it down the drain 1-2 times daily for a week. Pour ½ cup of salt, ½ cup of baking soda and 1 cup of vinegar ... If flies are common around the kitchen sink or bathtub, a cup of bleach may be poured down the drain to kill them. If the fly is still alive when the bleach is poured, it is likely to die from dehydration. Dilute bleach up to a gallon of water and let it sit for a few hours. The bleach will kill any flies that are in the water, but it may not ... Jul 31, 2023 · Here are five ways to do so: Clean your sink: Start with cleaning your sink and drain with your usual cleaning solution. Use a pipe brush to scrub around and inside the drain. Try boiling water: A super simple fix is to pour boiling water down the drain to eliminate drain flies. If you see creeping drain flies, try to kill them with a solution of liquid soap and warm water. The soap contains components that are insecticides. Add up to 20% liquid soap to the spray bottle and fill the rest of the volume with water. This way will bleach & kill drain flies. Make sure the insects get wet! A Natural Way to Get Rid of Larvae. Another option that can be effective is pouring hot water down a drain and then pouring in at least a cup of white vinegar. This should kill most of the larvae and the vinegar will work to remove the larvae from the inside of the pipe. There are also some specialized products which are specifically designed ... Cleaning the drain should destroy the breeding site and stop the infestation. There are several options to clean them. However, ordinary bleach or drain cleaners are ineffective for removing bacteria.Psychodidae. Drain flies are a common household insect that is frequently confused with fruit flies and fungus gnats. You may also know them by other names, like sink flies, filter flies, sewer flies, or sewer gnats. Typically found near sinks, bathtubs, and showers, these insects multiply easily and can become a fast nuisance in your home. Color.Pour a liquid soap into the drain to wash away leftovers. Then place ice cubes there to remove the remaining food particles and run hot water. Pour half a cup of baking soda and cover the garbage disposal. Leave it for ten or more minutes. How to get rid of drain flies in washing machines.Drain flies are small, brown and black flies that can often be seen around drains and other moist areas. While they are not considered a major pest, they can. ... Will Bleach Kill Drain Flies? September 30, 2022. Drain Flies. Why Do Drain Flies Keep Coming Back. March 23, 2022. Drain Flies.Forensic Entomology Techniques - Blow Flies and Beetles - Most crime scene investigators use similar forensic entomology techniques. Read about some of the forensic entomology tech...Oct 18, 2023 · Pouring bleach into your drains can release toxic fumes, won’t clear clogs, and can harm septic systems. Commercial drain cleaners are far more effective at killing drain flies than bleach. A homemade drain cleaner made from vinegar, baking soda, and salt is a great drain fly killer. You can kill drain fly eggs and larvae by pouring boiling ... Cleaning Tips. How to Get Rid of Drain Flies (for Good!) While generally harmless, drain flies can be a nuisance. Here's how to get rid of them. …Moth flies do not bite and are not known to transmit disease of any sort. The larvae can be controlled by eliminating or reducing breeding sites by thoroughly cleaning the drain lines, plumbing fixtures or eliminating possible wet areas around leaky pipes. Eggs, which can hatch in 32 to 48 hours at 70 degrees F, are laid in and on the moist media.1. Clean the Drain and Pipes with Drain Cleaner. Drain cleaners are usually the first action I use to get rid of any bugs living in my pipes. My trick is mixing a cup of white vinegar with a half cup of baking soda and pouring it down the drain. The chemicals will disintegrate all the gunk and slime for the next 24 hours.Psychodidae. Drain flies are a common household insect that is frequently confused with fruit flies and fungus gnats. You may also know them by other names, like sink flies, filter flies, sewer flies, or sewer gnats. Typically found near sinks, bathtubs, and showers, these insects multiply easily and can become a fast nuisance in your home. Color.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 …It will kill the larvae but the important thing to remember is they only breed in stagnant water. Make sure water at water line is fresh and if it's a floor sink clean it and run drain basket ...Yes, bleach will kill drain flies. Bleach is an effective pest killer and eliminates various pests in drains like drain flies and drain roaches. To prepare a bleach killer mixture, all you need to do is to pour 3-5 tablespoons of bleach in …Apr 18, 2023 · Baking Soda and Vinegar. Mix 1/2 cup salt, 1/2 cup baking soda and 1 cup of vinegar and then pour the mixture down the drain, leaving it overnight. In the morning, pour boiling hot water down the ... 11 Aug 2022 ... Doing so might kill some larvae, but it will not kill enough of the eggs or larvae to eliminate the problem. That's because bleach passes down ...The best methods to make your bathroom uninhabitable for drain worms include: Reducing Moisture In The Air. Cleaning Bathroom Surfaces With Bleach. Use Insecticide. Using An Enzyme Cleaner In Drains. Drain flies can be a major nuisance, not to mention a detractor from an otherwise wonderful bath time.Diluted bleach and boiling water are often used as a remedy to get rid of drain flies. Granted that infestation is not serious, it can kill some larvae and remove the organic mess. No exceptional performance should be expected, though, as larvae are resistant to temperature changes and immune to weak chemicals, such as bleach.Mar 16, 2023 · Yes, It does. However, bleach may not be the ultimate solution, as it doesn’t effectively target their eggs and larvae. This limitation arises because bleach tends to flow rapidly through the drain, not allowing enough time to break down the build-up where eggs and larvae reside. To enhance the effectiveness of your drain fly control efforts ... May 20, 2023 · The bleach method would require you to follow these steps. Pour bleach into your home drain as it will target the larvae or eggs inside it. Leave it for a couple of minutes and run boiling water down the drain to flush out the bleach, eggs, and larvae in the septic tank. Cover all the drains in your home as they are the primary source of drain ... In larger doses, chlorine bleach will kill plants while oxygenated bleach will not. Many people use a chlorine bleach and water mixture to kill weeds. In any quantity, chlorine ble...Will Bleach Kill Drain Flies? What Are The Best Ways To Kill Drain Flies? ... Using household bleach is one typical method of removing drain flies. Wear ...And if you fruit flies in your drain and think a quick dousing with bleach will be a quick fix, experts disagree. Apparently, while you might kill off some of the eggs or larvae in your drain, the bleach actually doesn't stay in the drain long enough for a complete eradication, and as we know, with those fruit flies laying 500 eggs at a time, …Vinegar. When it comes to killing drain flies with common household products, vinegar is a much better choice than bleach. In fact, there are several ways to kill drain flies with vinegar.You can create a foaming drain cleaner made from baking soda, vinegar, and salt that clears your drain, kills drain flies, and won’t release harmful fumes.Apple cider vinegar. Sweet-smelling dish soap. Fill a small container or an empty soda bottle with 1 teaspoon of apple cider vinegar, 2 tablespoons of water, and a few drops of fruity-smelling ...How to Keep Drain Flies Out of the Sump Pump. 1. Drain the Pit. Automatic sump pumps only trigger when the water has reached a certain level. Thus, if there is only a small amount of water in the pit, the pump will not turn on. That small amount of water can still attract drain flies if left stagnant for too long.And if you fruit flies in your drain and think a quick dousing with bleach will be a quick fix, experts disagree. Apparently, while you might kill off some of the eggs or larvae in your drain, the bleach actually doesn't stay in the drain long enough for a complete eradication, and as we know, with those fruit flies laying 500 eggs at a time, …Apr 18, 2023 · Baking Soda and Vinegar. Mix 1/2 cup salt, 1/2 cup baking soda and 1 cup of vinegar and then pour the mixture down the drain, leaving it overnight. In the morning, pour boiling hot water down the ... Let it sit for 30-60 minutes and flush it with hot water. Often you have to repeat this process a few times to get rid of all the organic matter in the pipe. If you prefer using natural methods, you can pour baking soda (2-3 tbsp.) and then a …Are Drain Flies Resistant to Bleach? Bleach will absolutely kill drain flies. However, using bleach comes with certain risks. It’s better to try other methods first and use bleach as a last resort. Here are four reasons not to pour bleach into your drains: Bleach can create dangerous, toxic fumes when mixed with other … See more Leave it for about 10 minutes before flushing the drain with water. Bleach can help to kill drain flies and their eggs, but use caution as it can be harsh on pipes and should not be used in large quantities. Essential Oils: Mix 10-15 drops of essential oils such as peppermint, eucalyptus, or tea tree oil with 1 cup of water and pour it down the ... I used washing detergent liquid and then bleach to run along the grout. In about 30 mins the bottom of the shower was covered in drain fly larvae. I did this once a week and in about a month the problem stopped. By killing the larvae regularly if stops the adults developing which in turn stops the adults laying more eggs.Natural Remedies. Download Article. 1. Clean your drain manually with a pipe brush or drain snake. Removing the …May 11, 2022 · Let the bleach sit in the tank for at least 4 hours, but overnight is preferable. The more time the bleach has to work, the more eggs it will kill. Drain and rinse the tank thoroughly once the time is up! Pour vinegar and baking soda down drains. Some flies make their home in the pipes of your RV. 17 Jun 2023 ... How to get rid of drain flies – 5 steps to freshen up your drains · 1. Identify which drains are infested · 2. Use a metal drain brush and hot .....If drain flies preemptively warn you of this potential flood and expensive damage before it manifests, then consider the drain flies a blessing in disguise. Bleach or Ammonia for Drain Flies It is a reasonable assumption that bleach, ammonia, or other caustic cleaning chemicals down the drain would kill the larvae feasting inside.2 Feb 2016 ... Trying a DIY solution, like pouring bleach, vinegar, or boiling water down the drain, is only a temporary fix. The eggs will survive, and you'll ...May 11, 2022 · Let the bleach sit in the tank for at least 4 hours, but overnight is preferable. The more time the bleach has to work, the more eggs it will kill. Drain and rinse the tank thoroughly once the time is up! Pour vinegar and baking soda down drains. Some flies make their home in the pipes of your RV. Such products are more effective in removing organic materials in drains and sump pits than bleach. Since adult drain flies can fly away when you’re cleaning, you can eliminate them using chemical sprays. Pyrethrin aerosols are the best for such a task. Dish wash soap is also good at killing these flies. Just mix it with warm water and spray ...Diluted bleach and boiling water are often used as a remedy to get rid of drain flies. Granted that infestation is not serious, it can kill some larvae and remove the organic mess. No exceptional performance should be expected, though, as larvae are resistant to temperature changes and immune to weak chemicals, such as bleach.Drain worms are essentially fly larvae. These species are also known as sewer flies, filter flies, or sink flies. They lay eggs, which hatch into larvae within 32 – 48 hours. Their life cycles are fairly short. Also note that drain flies do not lay eggs in humans. The larvae live for 8 – 24 days before entering the pupal stage for 1 – 2 ...Here are five ways to do so: Clean your sink: Start with cleaning your sink and drain with your usual cleaning solution. Use a pipe brush to scrub …Oct 18, 2023 · Here’s how to do it: Pour 1 cup of baking soda into the drain. Mix together 1 cup of white vinegar and ½-cup of salt. Pour the salt and vinegar mixture into the drain. Allow the mixture to sit overnight. This simple drain cleaner can help to clean your plumbing and get rid of drain flies. Fruit flies are active fliers. Drain flies are weak fliers that prefer to crawl. Fruit flies prefer to congregate on food, especially fruits and vegetables. Drain flies live and breed in and around drains, not food. Fruit flies breed and mature faster than drain flies, making them a more difficult pest to eliminate.To remove gnats in the sink the natural way, you can treat the inside of your sink pipes by pouring a mixture of dish soap, baking soda, vinegar and water into your drain, which usually kills gnats instantly. For a deeper clean, you can create a treatment using only baking soda and vinegar. Start by adding a couple of tablespoons of baking soda ...Bleach for Killing My Drain Flies. For gnats in the bathroom or kitchen, and you only have bleach on hand or want to use a stronger method to eliminate your drain fly problem, you can use bleach as an alternative method. Create a solution of one part bleach and ten parts water and pour it down the drain.Pouring bleach or vinegar down a drain to control drain flies is not recommended because it's not very effective. The bleach or vinegar may kill a few.Bleach. You can also try killing drain flies with bleach. However, while bleach will kill any drain flies and eggs it comes into contact with, its reach will be limited compared to some of the other treatments discussed above, so you may still end up with some drain flies alive, ready to breed and repeat the cycle. 6. Drain CleanersHow to Get Rid of Drain Flies. Fuzzy winged insects flying out of seemingly clean sinks are the stuff of homeowners' nightmares. If you can unclog and clean up a drain, however, you …A cup of household bleach is generally more than sufficient to kill most drain flies, and all you need to do is pour it down the affected drain. The flies should die off within a few hours, because the chemical is strong enough to kill the flies. They can also be an annoyance to homeowners who have to clean up after their pets.Take Preventative Measures Against Drain Flies Note that, while drains are a common culprit for drain flies (hence their name), dealing with flies is an all-around cleanliness and sanitation issue. The methods below will ensure your restaurant complies with sanitation standards and reduce pests of all kinds, helping to stay in compliance with Food Code …We suggest staying away from bleach or vinegar because they won't break up decomposing matter as efficiently as gel drain cleaner. Vinegar combined with baking ...
Pouring bleach or vinegar down a drain to control drain flies is not recommended because it's not very effective. The bleach or vinegar may kill a few.. Phantasy online 2
Here’s the thing about using bleach—it may kill drain flies, but using bleach comes with certain risks. It’s better to try other methods first, and use bleach as a …Pour a liquid soap into the drain to wash away leftovers. Then place ice cubes there to remove the remaining food particles and run hot water. Pour half a cup of baking soda and cover the garbage disposal. Leave it for ten or more minutes. How to get rid of drain flies in washing machines.When it comes to ensuring clean and safe drinking water, there are several methods available. One such method is using bleach to purify water. While it may seem unusual to use a ho... Leave it for about 10 minutes before flushing the drain with water. Bleach can help to kill drain flies and their eggs, but use caution as it can be harsh on pipes and should not be used in large quantities. Essential Oils: Mix 10-15 drops of essential oils such as peppermint, eucalyptus, or tea tree oil with 1 cup of water and pour it down the ... How to kill drain flies naturally. #1 Physically remove the adults. #2 Block the drain with a duct tape. #3 It’s time for pipe cleaning! #4 Check the U-trap. #5 Bleach and boiling water. #6 Apple cider vinegar trap. #7 Fruit trap. #8 Light trap.Will Bleach Kill Drain Flies? One common remedy for killing drain flies is using household bleach.Baking Soda and Vinegar. Mix 1/2 cup salt, 1/2 cup baking soda and 1 cup of vinegar and then pour the mixture down the drain, leaving it overnight. In the morning, pour boiling hot water down the ...Below are the steps to get rid of fruit flies without apple cider vinegar: 1. Choose your bait. If you’re using sugar, dissolve a tablespoon of sugar in about 1/4 cup of warm water in the bowl or jar. If you prefer to use fruit, cut a small piece of ripe, overripe, or rotting fruit and place it in the container. 2.Mostly phorid flies and some sciarid flies (called dark-winged fungus gnats). Phorids are also called drain flies, but moth flies (psychodids-which you don't have) also called drain flies. Both of your flies could be drain-associated. Often the sciarid flies are associated with soil and plants.A cup of household bleach is generally more than sufficient to kill most drain flies, and all you need to do is pour it down the affected drain. The flies should die off within a few hours, because the chemical is strong enough to kill the flies. They can also be an annoyance to homeowners who have to clean up after their pets.5 Apr 2013 ... Hot water will not kill the larvae, and neither will bleach, soaps, and most household drain cleaners. For a serious infestation, you need ...3. Vinegar and dish soap trap. Danielle Daly. If you find your fruit flies impervious to your plastic wrap or paper cone traps, try adding three drops of dish soap to a bowl of vinegar and leave ...Pouring hot water or bleach down the drain might be effective against adult flies but will not eliminate the larvae. When used together, a drain brush and hot water can get rid of the organic material more effectively. Bleach may be more effective against a drain infestation, but there are many reports of ongoing issues after trying this approach.10 Apr 2014 ... Caustic drain cleaners (such as lye-based cleaners) are not as effective as other means and must never be followed with bleach since chlorine ...Soap, Sugar, Apple Cider Vinegar, And Water. Another great way to catch drain flies is by mixing soap, sugar, apple cider vinegar, and water. To do this, mix apple cider vinegar, sugar, and water together, and then finish it off by adding a few drops of soap. The sugar and apple cider vinegar will attract the drain flies, and once they enter ...2 Feb 2016 ... Trying a DIY solution, like pouring bleach, vinegar, or boiling water down the drain, is only a temporary fix. The eggs will survive, and you'll ...Cleaning Tips. How to Get Rid of Drain Flies (for Good!) While generally harmless, drain flies can be a nuisance. Here's how to get rid of them. …The best methods to make your bathroom uninhabitable for drain worms include: Reducing Moisture In The Air. Cleaning Bathroom Surfaces With Bleach. Use Insecticide. Using An Enzyme Cleaner In Drains. Drain flies can be a major nuisance, not to mention a detractor from an otherwise wonderful bath time.You can tackle most drain fly infestations with just a cup of bleach. Simply pour it down the affected drain, and its strong chemical properties will kill …Fruit flies like moist areas, so the culprit locations are typically kitchen and bathroom sink and shower drains. Pour a bacterial digester down your drain to kill off any eggs that may be there. If you don’t have any on hand, bleach can work as a substitute, but being so thin and runny it may not stick well enough to the eggs to kill them. [7] Leave it for about 10 minutes before flushing the drain with water. Bleach can help to kill drain flies and their eggs, but use caution as it can be harsh on pipes and should not be used in large quantities. Essential Oils: Mix 10-15 drops of essential oils such as peppermint, eucalyptus, or tea tree oil with 1 cup of water and pour it down the ... .