10 Best Fruit Fly Killer For Drains of 2025

Tested and Reviewed: Top 10 Fruit Fly Killer For Drains deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

Editor's Choice

9.7

Green Gobbler

Green Gobbler Fruit Fly Killer+ - Kills Fruit Flies, Drain Flies & Sewer Flies, Gel Treatment for Use in Sinks & Pipes - Safe for Septic Systems, 32oz

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Editor's bottom line:

“This fruit fly killer for drains is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

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.

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Picked by 397 people today

9.5

Eco Strong

Fruit Fly Drain Treatment | Drain Fly Eliminator | Eliminates Gnats, Sewer Flies and More - Works in All Drains - 32 Fl Oz

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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.

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9.5

Green Gobbler

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

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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.

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9.2

Eco Strong

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

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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

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9.0

Terro

TERRO Drain Insect Killer - T590 Drain Fly Killer Spray - Foam Treatment for Fruit Flies, House Flies, and Cockroaches

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Main Highlights

Leave the fruit fly drain treatment in the drain until the foam fully dissipates
Extension tube allows for precise application of TERRO Drain Insect Killer Foam
BREAKS THE LIFE CYCLE of drain flies, fruit flies, house flies, and roaches with drain flies killer
ELIMINATES INFESTATIONS AND PREVENTS NEW ONES Use as drain flies eliminator to stop active insects and block future invasions
This fly spray can be used on all types of pipes

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8.8

Green Gobbler

Green Gobbler Fruit Fly Killer+ - Kills Fruit Flies, Drain Flies & Sewer Flies, Gel Treatment for Use in Sinks & Pipes - Safe for Septic Systems, 32oz - Up to 8 USES (2 Pack)

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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 eight 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.

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8.6

Natural Elements

Natural Elements Fruit Fly Killer | Drain Flies, Gnats, Flying Ants | Home & Commercial Use | Non-Toxic Gel Formula | 1 Gallon | 128 Fl Oz

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Main Highlights

Eliminate Fruit Flies, Period: Don't tolerate infestations. Our thick, citronella-infused gel immediately kills flies upon contact, giving you an instant, lasting defense against winged nuisances.
Engineered with Precision, Natural Ingredients: Achieve commercial-grade results without the chemicals. Utilizing highly-concentrated citronella, this gel tackles even the toughest fly populations while keeping your space fresh.
Universal Compatibility, Targeted Impact: From sinks to disposals, to commercial drains, this gel is the all-in-one answer. Created for universal drain compatibility, no matter the pipe material or construction.
Versatile: From Homes to Five-Star Establishments: Exceptional for household drains, yet robust enough for commercial settings like restaurants, hotels, and grocery stores. If you have a drain, we have your fly solution.
Uncompromising Safety Standards: Created for both effectiveness and peace of mind. Our gel is rigorously lab-tested to ensure it's non-toxic, biodegradable, and food-safe.
100% Satisfaction Money-Back Guarantee: If you're not completely satisfied with our commercial-grade formula, we'll refund your money, no questions asked. Your satisfaction is our priority.

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8.3

Natural Armor

Fruit Fly & Drain Fly Killer - Simple Commercial Drain Gel Treatment – Eliminates Gross Fruit/Sewer Flies & Gnat Infestations from Any Drain. Fast & Easy - 1 Gallon (128 Ounces)

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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!

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8.1

Eco Strong

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

Free Shipping

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.

Show Price

8.1

Terro

TERRO Fruit Fly Traps for Indoors (4 Pack) + 180 Days of Lure Supply - T2503SR - Lure and Kill Indoor Fruit Flies Near Fruit, Trash Cans, Countertops - Ready to Use Trap - 180 Day Supply

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Main Highlights

FAST-ACTING ELIMINATION: Notice a dramatic decrease in fruit flies within a few days with these indoor fly traps for your home, containing a fast-acting anti fruit fly trap lure
LONG-LASTING PROTECTION: Each ready-to-use, non-staining TERRO fruit fly lure offers up to 45 days of effective trapping, making it a great indoor fruit fly killer. Comes with 180 days worth of lure supply
DISCREET AND ATTRACTIVE DESIGN: The apple-shaped anti fruit fly trap design of this indoor fly trap blends in with the fruits these pests love, keeping unsightly fruit fly populations down without attracting attention
EASY MONITORING: This fruit fly catcher features built-in windows to allow for at-a-glance monitoring of the lure levels and catches
TARGET BREEDING AREAS: These indoor fruit fly traps are most effective when placed near fruit bowls, trash cans, and counters to control fruit fly breeding locations

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Our Best Overall Choice

Best Choice

9.7

Green Gobbler

Green Gobbler Fruit Fly Killer+ - Kills Fruit Flies, Drain Flies & Sewer Flies, Gel Treatment for Use in Sinks & Pipes - Safe for Septic Systems, 32oz

Free Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

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.

Show Price

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