October 3, 2023


Specialists in home interior

Drain Fly Control – Everything You Need To Know

How To Rid Of Drain Flies – Forbes Home

Home or commercial drainage systems are often prime spots for stagnant water when the sink or drain is used occasionally. 

And due to such stagnant water, you may frequently notice when the hovering of sink moths or drain flies when you get home from a vacation, mainly near a bathroom or kitchen sink.

What are Drain Flies? 

Drain Flies are fuzzy, pesky nuisance insects that live and breed around the bathtubs, showers, and refrigerator drain pans, resting on the walls or anywhere there is standing water.

With a length of 1/6 to 1/5 of an inch, these flies look like tiny moths with a light grey hue. They can live for up to 24 days but cannot fly afar. 

They mostly hop and hover around and can lay and hatch up to 300 eggs in 48 hours. Therefore, their chances to breed and spread fast through pipes are most frequent. Hire Residential Drain Fly Control now to avoid such infestation of drain flies.

From where do these Drain Flies come from?

Drain Flies mostly come from stagnant or filthy water with a heap of collected sewage. They are typically congregating around such as:- 

  • Sinks areas inside or outside the house
  • Basement sinks that go unused 
  • Septic tanks
  • Sewers
  • Compost Piles, birdbaths, or barns
  • Near wet mops and buckets

Can Drain Flies Harm You? 

Drain Flies are not dangerous to humans, despite their proximity to sewage and drain. They do not transmit diseases but can carry bacteria when they cluster together. 

Most importantly, such flies breed very fast and spread their nests throughout your pipes, so make sure to keep your house and backyard clean regularly because clearing them out of the pipes, could be a costlier process as well. So, it’s always better to take preventive actions and maintain a hygienic environment in your house.

How to Get Rid of Drain Flies – Tips and Tricks

When you see tiny flies that look like moths around your windows and backyard, you need to use a natural or chemical method to eliminate these pests. 

  1. Boiling Water:

Boil some water on the stove and pour down carefully into the drain 1-2 times a day. Continue this for a week to clean off the build-up dirt.

  1. Baking Soda + Salt + Vinegar:

Prepare a mixture of baking soda, salt, and vinegar. Shake them well and pour it down the sink or drain it overnight. When the baking soda and vinegar mix, they produce a reaction that causes the solution to grow and cover more areas. Let the solution sit overnight and rinse it off in the morning. This is a better and more effective way than boiling water. 

  1. Apple Cider Vinegar:

Prepare a solution of ¼ cup of apple cider vinegar with a few drops of dishwashing liquid. Mix them well and pour them into the drain. Sink flies will be drawn to it, sink, and die.

Secondly, you can cover a bowl with plastic wrap and fill it with Apple Cider Vinegar. Punch small holes on the top to let flies in and not let them go out.

  1. Drain and Duct Tape:

Floor drains often accumulate standing water into the drain traps. All you can do is clean off the floor drain with a stiff brush and seal the drainage pipes with duct tape overnight. Keep doing this for several nights in a row to capture the flies that aim to reach the surface. 


There are proper ways to take precautions and proper maintenance to avoid drain flies from entering your house. Get rid of any rotting fruit or produce, fix the leaks quickly, and clear standing water to keep such pests at bay.

Conquest Pest Control offers residential and Commercial Drain Fly Control Services! So, if you want professionals to help you get rid of drain flies, give us a call now!

We’ll make your home and office fly-free.