10 Best Drain Fly Killer of 2026

Last updated on 05/18/2026

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Drain Fly Killer Powder – Eliminates Drain Flies & Sewer Flies in Drains, Sinks, Showers – Fast-Acting Treatment - Septic Safe & Made in USA

Drain Fly Killer Powder – Eliminates Drain Flies & Sewer Flies in Drains, Sinks, Showers – Fast-Acting Treatment - Septic Safe & Made in USA

Accelerator by Dr. Pooper

Why we love it

Eliminates flies at the source.
Fast-acting for immediate results.
Safe for plumbing and septic.

Main Highlights

Targets and eliminates these common household pests in sinks, showers, floor drains, and garbage disposals. Disrupts the fly lifecycle to stop infestations before they spread.
Thick, expanding foam reaches deep into drains to dissolve organic buildup and destroy hidden breeding grounds—the root cause of recurring drain fly problems.
Gentle on pipes, tough on pests. This powder contains no harsh chemicals, making it ideal for homes with septic systems, older plumbing, or sensitive drain lines.
Each pack provides four complete treatments with 16 individual doses. Long-lasting protection for kitchens, bathrooms, utility rooms, and commercial spaces.
Manufactured to high safety and quality standards in the United States. Dependable results from a U.S.-based brand you can rely on.

9.9

Exceptional

9.9

Exceptional

Accelerator by Dr. Pooper

Drain Fly Killer Powder – Eliminates Drain Flies & Sewer Flies in Drains, Sinks, Showers – Fast-Acting Treatment - Septic Safe & Made in USA

Why we love it

Eliminates flies at the source.
Fast-acting for immediate results.
Safe for plumbing and septic.

Main Highlights

Targets and eliminates these common household pests in sinks, showers, floor drains, and garbage disposals. Disrupts the fly lifecycle to stop infestations before they spread.
Thick, expanding foam reaches deep into drains to dissolve organic buildup and destroy hidden breeding grounds—the root cause of recurring drain fly problems.
Gentle on pipes, tough on pests. This powder contains no harsh chemicals, making it ideal for homes with septic systems, older plumbing, or sensitive drain lines.
Each pack provides four complete treatments with 16 individual doses. Long-lasting protection for kitchens, bathrooms, utility rooms, and commercial spaces.
Manufactured to high safety and quality standards in the United States. Dependable results from a U.S.-based brand you can rely on.

Value for Money

Nature’s Dome Drain Fly Killer Gel | Kills & Prevents Drain Flies & Fruit Flies | Natural Plant-Based Fly Killer Treatment Indoor for Sinks & Pipes | Safe for Septic Systems | 32 Oz

Nature’s Dome Drain Fly Killer Gel | Kills & Prevents Drain Flies & Fruit Flies | Natural Plant-Based Fly Killer Treatment Indoor for Sinks & Pipes | Safe for Septic Systems | 32 Oz

NATURE'S DOME

Why we love it

Kills and prevents drain flies.
Plant-based formula safe for pipes.
Thick clinging gel coats drains.

Main Highlights

Powerful Drain & Fruit Fly Elimination: Effectively targets adult drain flies, fruit flies, sewer flies, eggs, and larvae providing fast relief from infestations in kitchen sinks, bathroom drains, and utility areas.
Safe, Plant-Based Formula: Made with natural ingredients including geraniol, cinnamon oil, and cottonseed oil. This eco-friendly gel is safe for pipes, septic systems, and pets while delivering professional-grade results.
Thick Clinging Gel for Deep Cleaning: The specially designed gel coats the walls of sinks, bathtubs, and pipes. Breaking down organic buildup where flies breed and preventing recurring infestations.
Keeps Drain Fresh & Odor-Free: Not only kills flies but also eliminates odors naturally by cleaning and maintaining drains. Ensuring your kitchen, bathroom and utility areas stay hygienic and smelling fresh.
Easy Overnight Application & Maintenance: Simply pour 4–8 Oz of gel into each affected drain. Let it work overnight for best results and repeat daily for active infestations or weekly for long-term prevention. Ideal for sinks, bathtubs, and all indoor drains.

Nature’s Dome Drain Fly Killer Gel | Kills & Prevents Drain Flies & Fruit Flies | Natural Plant-Based Fly Killer Treatment Indoor for Sinks & Pipes | Safe for Septic Systems | 32 Oz

Why we love it

Kills and prevents drain flies.
Plant-based formula safe for pipes.
Thick clinging gel coats drains.

Main Highlights

Powerful Drain & Fruit Fly Elimination: Effectively targets adult drain flies, fruit flies, sewer flies, eggs, and larvae providing fast relief from infestations in kitchen sinks, bathroom drains, and utility areas.
Safe, Plant-Based Formula: Made with natural ingredients including geraniol, cinnamon oil, and cottonseed oil. This eco-friendly gel is safe for pipes, septic systems, and pets while delivering professional-grade results.
Thick Clinging Gel for Deep Cleaning: The specially designed gel coats the walls of sinks, bathtubs, and pipes. Breaking down organic buildup where flies breed and preventing recurring infestations.
Keeps Drain Fresh & Odor-Free: Not only kills flies but also eliminates odors naturally by cleaning and maintaining drains. Ensuring your kitchen, bathroom and utility areas stay hygienic and smelling fresh.
Easy Overnight Application & Maintenance: Simply pour 4–8 Oz of gel into each affected drain. Let it work overnight for best results and repeat daily for active infestations or weekly for long-term prevention. Ideal for sinks, bathtubs, and all indoor drains.

Drain Powder 32oz Powder – Complete Drain & Pipe Treatment Kit

Drain Powder 32oz Powder – Complete Drain & Pipe Treatment Kit

Accelerator by Dr. Pooper

Main Highlights

Maintains your drains off pests

Accelerator by Dr. Pooper

Drain Powder 32oz Powder – Complete Drain & Pipe Treatment Kit

Main Highlights

Maintains your drains off pests

InVade Bio Drain 1 Gallon (Original Version)

InVade Bio Drain 1 Gallon (Original Version)

Rockwell Labs

Why we love it

Powerful drain cleaning solution.
Safe for various surfaces.
Eco-friendly citrus oil formula.

Main Highlights

Microbes and Citrus Oil
This product is to be used specifically for drains but can also be used to eliminate sugar snakes in soda fountain drip trays. It is also safe and effective to use in mop buckets and trash chutes and urinals.
4 oz per drain

InVade Bio Drain 1 Gallon (Original Version)

Why we love it

Powerful drain cleaning solution.
Safe for various surfaces.
Eco-friendly citrus oil formula.

Main Highlights

Microbes and Citrus Oil
This product is to be used specifically for drains but can also be used to eliminate sugar snakes in soda fountain drip trays. It is also safe and effective to use in mop buckets and trash chutes and urinals.
4 oz per drain

Green Gobbler Fruit Fly Goodbye Gel Drain Treatment | Killer Flies & Eliminator (1 Gallon)

Green Gobbler Fruit Fly Goodbye Gel Drain Treatment | Killer Flies & Eliminator (1 Gallon)

Green Gobbler

Why we love it

Kills multiple fly types effectively.
Suitable for various environments.
User-friendly application process.

Main Highlights

KILL FRUIT, DRAIN & SEWER FLIES: Get rid of the fly infestation and get back to enjoying your space. Green Gobbler's thick gel formula clings to pipes to eliminate annoying drain fly infestations. It kills fruit flies, drain flies and sewer flies.
PERFECT FOR HOMES & BUSINESSES: Green Gobbler is perfect for homes, hotels, restaurants, bars and anywhere with a fruit, drain, or sewer fly problem. It can treat garbage disposals, floor drains, kitchen sinks, bathrooms, shower drains and more.
EASY TO USE: Simply pour 8 ounces into your problem drain. This bottle uses anti-glug technology to help reduce splashing and provides up to 16 drain treatments. For best results, we recommend using product at night or during lowest time of use. Repeat daily until desired results are achieved.
MADE WITH CITRONELLA & CINNAMON: Our formula contains natural Citronella Oil and Cinnamon Oil to repel flies from your drain.
GREEN GOBBLER GUARANTEE: Green Gobbler cares about its customers. We take pride in developing innovative & effective products for your home or business. If for any reason you are unsatisfied, please contact us. We offer a money-back guarantee within 30 days of purchase.

Green Gobbler Fruit Fly Goodbye Gel Drain Treatment | Killer Flies & Eliminator (1 Gallon)

Why we love it

Kills multiple fly types effectively.
Suitable for various environments.
User-friendly application process.

Main Highlights

KILL FRUIT, DRAIN & SEWER FLIES: Get rid of the fly infestation and get back to enjoying your space. Green Gobbler's thick gel formula clings to pipes to eliminate annoying drain fly infestations. It kills fruit flies, drain flies and sewer flies.
PERFECT FOR HOMES & BUSINESSES: Green Gobbler is perfect for homes, hotels, restaurants, bars and anywhere with a fruit, drain, or sewer fly problem. It can treat garbage disposals, floor drains, kitchen sinks, bathrooms, shower drains and more.
EASY TO USE: Simply pour 8 ounces into your problem drain. This bottle uses anti-glug technology to help reduce splashing and provides up to 16 drain treatments. For best results, we recommend using product at night or during lowest time of use. Repeat daily until desired results are achieved.
MADE WITH CITRONELLA & CINNAMON: Our formula contains natural Citronella Oil and Cinnamon Oil to repel flies from your drain.
GREEN GOBBLER GUARANTEE: Green Gobbler cares about its customers. We take pride in developing innovative & effective products for your home or business. If for any reason you are unsatisfied, please contact us. We offer a money-back guarantee within 30 days of purchase.

Fruit Fly Drain Treatment | Drain Fly Eliminator | All-Natural, Eliminates Gnats, Sewer Flies and More - Works in All Drains - 1 Gallon

Fruit Fly Drain Treatment | Drain Fly Eliminator | All-Natural, Eliminates Gnats, Sewer Flies and More - Works in All Drains - 1 Gallon

Eco Strong

13% Off

Why we love it

Natural and safe for homes.
Effectively eliminates drain flies.
Keeps drains odor-free effortlessly.

Main Highlights

Drain Flies, Sewer Flies, Gnats, or Fruit Flies, any flies that live and breed in drains, pipes, or garbage disposals will be evicated by our all-natural formula; And it's safe for use in any plumbing
A Natural Fruit Fly Eliminator: Our non-toxic gel formula is safe for use around food and anywhere in the home, kitchen, bar, or restaurant
Home & commercial use Our all-natural gel contains additional scum-busting properties making this the most effective solution; Pour into a drain; this fast-acting treatment breaks up and digests drain scum
Occasional use of this gel treatment will keep your drains odor and scum free; By preventing the buildup of organic scum, you eliminate the risk of another problem

Fruit Fly Drain Treatment | Drain Fly Eliminator | All-Natural, Eliminates Gnats, Sewer Flies and More - Works in All Drains - 1 Gallon

13% Off

Why we love it

Natural and safe for homes.
Effectively eliminates drain flies.
Keeps drains odor-free effortlessly.

Main Highlights

Drain Flies, Sewer Flies, Gnats, or Fruit Flies, any flies that live and breed in drains, pipes, or garbage disposals will be evicated by our all-natural formula; And it's safe for use in any plumbing
A Natural Fruit Fly Eliminator: Our non-toxic gel formula is safe for use around food and anywhere in the home, kitchen, bar, or restaurant
Home & commercial use Our all-natural gel contains additional scum-busting properties making this the most effective solution; Pour into a drain; this fast-acting treatment breaks up and digests drain scum
Occasional use of this gel treatment will keep your drains odor and scum free; By preventing the buildup of organic scum, you eliminate the risk of another problem

Fruit Fly Drain Treatment | Drain Fly Eliminator | Eliminates Gnats, Sewer Flies and More - Works in All Drains - 64 Fl Oz

Fruit Fly Drain Treatment | Drain Fly Eliminator | Eliminates Gnats, Sewer Flies and More - Works in All Drains - 64 Fl Oz

Eco Strong

Why we love it

Non-toxic and safe formula.
Cleans drains and removes scum.
Effective for home and commercial use.

Main Highlights

A Natural Fruit Fly Solution: Our non-toxic gel formula is safe for use around food and anywhere in the home, kitchen, bar, or restaurant.
Drain Flies, Sewer Flies, Gnats, or Fruit Flies, any flies like to be in drain scum found in drains, pipes, or garbage disposals. This natural formula cleans out the scum from the drains, and it is safe for your plumbing.
Home & commercial use: Our natural gel contains additional scum-busting properties, making this the most effective solution. Pour into a drain; this fast-acting treatment breaks up and digests drain scum.
Occasional use of this gel treatment will keep your drains odor and scum free. By preventing the buildup of organic scum, you remove the risk of another problem.
What to Expect: Some users commented that after the first treatment, they saw more flies. This is to be expected and means the product is working. By removing the drain scum, the flies leave. Please don't give up. Continue to treat as directed. You will see a decrease over the next few days or so.

Fruit Fly Drain Treatment | Drain Fly Eliminator | Eliminates Gnats, Sewer Flies and More - Works in All Drains - 64 Fl Oz

Why we love it

Non-toxic and safe formula.
Cleans drains and removes scum.
Effective for home and commercial use.

Main Highlights

A Natural Fruit Fly Solution: Our non-toxic gel formula is safe for use around food and anywhere in the home, kitchen, bar, or restaurant.
Drain Flies, Sewer Flies, Gnats, or Fruit Flies, any flies like to be in drain scum found in drains, pipes, or garbage disposals. This natural formula cleans out the scum from the drains, and it is safe for your plumbing.
Home & commercial use: Our natural gel contains additional scum-busting properties, making this the most effective solution. Pour into a drain; this fast-acting treatment breaks up and digests drain scum.
Occasional use of this gel treatment will keep your drains odor and scum free. By preventing the buildup of organic scum, you remove the risk of another problem.
What to Expect: Some users commented that after the first treatment, they saw more flies. This is to be expected and means the product is working. By removing the drain scum, the flies leave. Please don't give up. Continue to treat as directed. You will see a decrease over the next few days or so.

TERRO Drain Insect Killer - T590 Drain Fly Killer Spray - Foam Treatment for Fruit Flies, House Flies, and Cockroaches (Pack of 2)

TERRO Drain Insect Killer - T590 Drain Fly Killer Spray - Foam Treatment for Fruit Flies, House Flies, and Cockroaches (Pack of 2)

Terro

Why we love it

Breaks the pest life cycle.
Precise application with extension tube.
Prevents new infestations.

Main Highlights

The information below is per-pack only
TARGETS DRAIN INSECTS: Advanced TERRO drain insect killer foam with 3 insect growth regulators disrupts cockroach and drain fly life cycles, breaking infestation patterns for comprehensive pest control in drains and pipes
PRECISE APPLICATION: Extension tube enables precise targeting of roach killer foam into drainpipes and catch basins, ensuring complete 360-degree coverage to eliminate missed areas where pest larvae develop and thrive
ELIMINATES & PREVENTS INFESTATIONS: TERRO drain insect killer foam eliminates fruit flies, house flies, cockroaches, and drain flies during pupal stage and prevents new infestations from establishing
WORKS ON ALL PIPES: TERRO works on all pipe types including PVC, metal, and ceramic drains, making this cockroach killer suitable for kitchen sinks, bathroom drains, and floor drains in any household application
LONG-LASTING TREATMENT: This innovative foam provides up to 3 months of protection. Repeat applications every 2 to 4 weeks for severe roach killer indoor infestation control

TERRO Drain Insect Killer - T590 Drain Fly Killer Spray - Foam Treatment for Fruit Flies, House Flies, and Cockroaches (Pack of 2)

Why we love it

Breaks the pest life cycle.
Precise application with extension tube.
Prevents new infestations.

Main Highlights

The information below is per-pack only
TARGETS DRAIN INSECTS: Advanced TERRO drain insect killer foam with 3 insect growth regulators disrupts cockroach and drain fly life cycles, breaking infestation patterns for comprehensive pest control in drains and pipes
PRECISE APPLICATION: Extension tube enables precise targeting of roach killer foam into drainpipes and catch basins, ensuring complete 360-degree coverage to eliminate missed areas where pest larvae develop and thrive
ELIMINATES & PREVENTS INFESTATIONS: TERRO drain insect killer foam eliminates fruit flies, house flies, cockroaches, and drain flies during pupal stage and prevents new infestations from establishing
WORKS ON ALL PIPES: TERRO works on all pipe types including PVC, metal, and ceramic drains, making this cockroach killer suitable for kitchen sinks, bathroom drains, and floor drains in any household application
LONG-LASTING TREATMENT: This innovative foam provides up to 3 months of protection. Repeat applications every 2 to 4 weeks for severe roach killer indoor infestation control

Fruit Fly & Drain Fly Killer - Commercial Gel Treatment – Eliminates Fly & Gnat Infestations - 1 Gallon

Fruit Fly & Drain Fly Killer - Commercial Gel Treatment – Eliminates Fly & Gnat Infestations - 1 Gallon

Natural Armor

Why we love it

Fast acting for immediate results.
Safe for all plumbing systems.
Perfect for commercial kitchens.

Main Highlights

FAST ACTING & EASY TO USE - Simply Pour This Specially Formulated Gel Solution Down Any Sink Drain Or Floor Drain Where Fruit Flies and Drain Flies Breed. Works On The Worst Fruit Fly & Drain Fly Infestations. Can Be Used In Bars, Bathrooms, Homes, Hotels, Kitchens & Restaurants
HOW IT WORKS SAFELY-This Thick Gel Treatment Clings & Sticks To Pipe Walls Eliminating The Fruit Fly & Drain Fly Eggs Effectively At The Very Source Of The Problem
HARMLESS & LONG LASTING - Harmless To Drains, Pipes, Septic Systems and Toilets. Unlike Other Corrosive Products, Natural Armor Is Made Of Natural Ingredients With No Toxic Substances. Depending On The Level Of Infestation, Long Lasting Results Can Be Seen For Months
GREAT FOR COMMERCIAL KITCHENS, BARS & RESTAURANTS - Clean Facilities Are Important. Our Product Is An Effective Food-Safe Solution!

Fruit Fly & Drain Fly Killer - Commercial Gel Treatment – Eliminates Fly & Gnat Infestations - 1 Gallon

Why we love it

Fast acting for immediate results.
Safe for all plumbing systems.
Perfect for commercial kitchens.

Main Highlights

FAST ACTING & EASY TO USE - Simply Pour This Specially Formulated Gel Solution Down Any Sink Drain Or Floor Drain Where Fruit Flies and Drain Flies Breed. Works On The Worst Fruit Fly & Drain Fly Infestations. Can Be Used In Bars, Bathrooms, Homes, Hotels, Kitchens & Restaurants
HOW IT WORKS SAFELY-This Thick Gel Treatment Clings & Sticks To Pipe Walls Eliminating The Fruit Fly & Drain Fly Eggs Effectively At The Very Source Of The Problem
HARMLESS & LONG LASTING - Harmless To Drains, Pipes, Septic Systems and Toilets. Unlike Other Corrosive Products, Natural Armor Is Made Of Natural Ingredients With No Toxic Substances. Depending On The Level Of Infestation, Long Lasting Results Can Be Seen For Months
GREAT FOR COMMERCIAL KITCHENS, BARS & RESTAURANTS - Clean Facilities Are Important. Our Product Is An Effective Food-Safe Solution!

Fly-Zyme, Highly Concentrated Enzyme Drain Cleaner for Pipes & Fruit Flies, Citronella Scented Organic Waste Degrader & Odor Neutralizer, 1 Gallon

Fly-Zyme, Highly Concentrated Enzyme Drain Cleaner for Pipes & Fruit Flies, Citronella Scented Organic Waste Degrader & Odor Neutralizer, 1 Gallon

Kinzua Environmental

Why we love it

Effective fruit fly prevention.
Thick gel ensures thorough cleaning.
Safe and refreshing solution.

Main Highlights

Fruit Fly Control: Fly-Zyme's powerful enzyme formula cleans the drain & helps remove fruit flies by digesting buildup and reducing fly breeding in your drain, natural citronella smell adds an extra deterrence & a fresh scent for a cleaner space
Powerful Clinging Action: The thickened enzyme gel clings to drain pipes and traps, effectively coating and digesting organic material; This targeted approach ensures thorough cleaning, breaking down organic matter
Safe Formula: Fly-Zyme drain fly eliminator contains no harmful substances; with the inclusion of citronella freshness, it provides a safe and refreshing solution
Versatile Application: Our enzyme-based drain cleaner is ideal for use in restaurants, bars, kitchens, garbage disposals, and anywhere living matter accumulates in drains; Fly-Zyme can be used as a proactive measure or to tackle existing concerns
About Us: At Kinzua Environmental, we specialize in premium cleaning solutions that are safe and have professional strength for both commercial and household applications

Fly-Zyme, Highly Concentrated Enzyme Drain Cleaner for Pipes & Fruit Flies, Citronella Scented Organic Waste Degrader & Odor Neutralizer, 1 Gallon

Why we love it

Effective fruit fly prevention.
Thick gel ensures thorough cleaning.
Safe and refreshing solution.

Main Highlights

Fruit Fly Control: Fly-Zyme's powerful enzyme formula cleans the drain & helps remove fruit flies by digesting buildup and reducing fly breeding in your drain, natural citronella smell adds an extra deterrence & a fresh scent for a cleaner space
Powerful Clinging Action: The thickened enzyme gel clings to drain pipes and traps, effectively coating and digesting organic material; This targeted approach ensures thorough cleaning, breaking down organic matter
Safe Formula: Fly-Zyme drain fly eliminator contains no harmful substances; with the inclusion of citronella freshness, it provides a safe and refreshing solution
Versatile Application: Our enzyme-based drain cleaner is ideal for use in restaurants, bars, kitchens, garbage disposals, and anywhere living matter accumulates in drains; Fly-Zyme can be used as a proactive measure or to tackle existing concerns
About Us: At Kinzua Environmental, we specialize in premium cleaning solutions that are safe and have professional strength for both commercial and household applications