How do I get rid of sewer gnats in my bathroom?

Author: Candelario Douglas  |  Last update: Sunday, March 15, 2026

Clean your garbage disposal regularly. You can use a mix of baking soda and vinegar followed by hot water to keep it clean and gnat-free. You can also use drain and fruit fly eliminator, or something even longer-lasting such as Green Gobbler Bio-Flow Drain Cleaning sticks.

How do I get rid of drain gnats permanently?

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.

Does pouring bleach down the drain kill gnats?

Bleach; it will kill the bacteria the gnats are thriving off of and kills any residual gnats or eggs. Best to use in ALL drains before bed, rinsing with a tiny amount of water to get it into the pipes so it has all night to do it's work.

Does pouring boiling water down the drain kill gnats?

Boiling water works great unless the flies and gnats are thriving on the actual drain's bacteria. Boiled water will kill the live flies and gnats, but will not inhibit them coming back because there will still be feeding material.

How do I get gnats out of my bathroom?

Brush: Take a long-handled cleaning brush and insert it into the sink and shower drains to remove organic matter inside. This eliminates the food source for gnats so they will die and stop reproducing. Eliminate water sources: Repair any leaking faucets or drain lines to reduce moisture that gnats are attracted to.

How to get rid of drain flies in shower, kitchen, or bathroom

Why are there sewer gnats in my bathroom?

If you have drain flies or sewer gnats, it's likely because there's gunk in your drains where they can lay eggs. Boiling Water: One of the easiest methods is to pour boiling water down the drain. Do this slowly and in several stages to make sure you reach all the gunk stuck in the pipes.

What smell do drain gnats hate?

Lavender, eucalyptus, peppermint, lemongrass, and citronella are just a few of the scents that insects despise (with lavender probably being the most effective).

Does pouring vinegar down the drain help with gnats?

Vinegar: One of the most effective remedies for gnats is vinegar. Gnats are attracted to the scent of vinegar, so pouring a mixture of equal parts vinegar and water down your drain can help eliminate them. The vinegar will trap the gnats and prevent them from breeding in the drain.

Does hydrogen peroxide kill gnats?

You can also use Hydrogen Peroxide to kill the adult fungus gnats in your house by spraying them with a stronger dilution. Mixing a 1:4 solution of 3% Hydrogen Peroxide with water and spraying the stems or leaves where fungus gnats are buzzing around will help kill these pests.

Does Pine Sol kill gnats in drains?

Pine Sol down all your drains (shower, sinks, kitchen drains, etc)! Works like a charm for drain flies and roaches! Pour 1/4-1/2c every day for a week, then once a week after that! Makes your house smell good too!

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 I pour bleach down the sink to get rid of gnats?

i tackle this issue by boiling a pot of water. and i pour half a cup of bleach down the drain. pour half of the hot water into the drain. then repeat half a cup of bleach.

Why does apple cider vinegar get rid of gnats?

Gnats find the scent of fermented fruit irresistible. With its potent, fruity aroma, apple cider vinegar acts as a perfect lure. Once gnats enter the trap, they can't make their way out, effectively reducing their population.

How do you make a drain gnat trap?

Diluted Bleach Trap
  1. Mix 1/2 cup of bleach and a gallon of water in a bowl.
  2. Pour it down each drain slowly.
  3. Wait at least 10 minutes before using your sink.

Does cinnamon kill gnats?

No—but the idea that cinnamon could provide a natural method for controlling fungus gnats has some basis in reality. "Unfortunately, you can't count on cinnamon on or in the potting mix to help control fungus gnats," Hancock says.

Why are there gnats in my shower?

“In bathrooms, they tend to live in damp or wet areas like sinks, showers, toilets, and drains,” Thomas says. From water-filled toilets to post-shower steam, the well-hydrated spaces in bathrooms tend to attract bugs, and gnats are no exception.

What household chemical kills gnats?

Homemade gnat killer spray: A mixture of half a cup of water, half a cup of isopropyl alcohol, and a teaspoon of dish liquid can be filled in a spray bottle. This mixture can be sprayed on the gnats directly to kill them.

How to get rid of gnats in drain pipes?

"Combine 1/2 cup salt with 1/2 cup baking soda and 1 cup of vinegar and pour down the drain." Leave it overnight, and in the morning, pour boiling water down the drain. "This is a natural remedy that will clean the plumbing pipes and remove the breeding grounds for these flies," he explains.

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.

What is the best killer for drain gnats?

If you don't have vinegar at home, bleach will kill drain gnats, but it's a potent environmental pollutant, so you're better off running to the store for vinegar, which is actually more effective for cleaning your drain pipes.

Do dryer sheets keep gnats away?

Conclusions. Based on the results obtained from our study, it is evident that Bounce original brand fabric softener dryer sheets repel fungus gnats.

How do I permanently get rid of drain flies?

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.

Does pine sol deter gnats?

✌️ Did you know you can use baking soda and pine-sol to get rid of those pesky drain flies? #gnats #drainflies #hacks #cleaninghacks #cleantok #thingsishouldhavelearnedinschool.

Previous article
Is delicate drying hot?
Next article
What is the best size for a bedroom?