RECOMMENDED BY PEST CONTROL PROS
Drain Fly Killer
Drain Fly Killer
12k+ bought in past month
🎯Kills drain, fruit & sewer flies
🚿Shower, tub, sink, disposal
🌙Works while you sleep
🫧One scoop — no scrubbing
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Drain Fly Killer
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“They were all over my shower every morning. Bleach did nothing. This is the only thing that actually ended it — they never came back”
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“Safe for our septic and the musty drain smell disappeared too. Finally something that actually works”
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“So embarrassing having flies when guests came over. Two treatments and they haven't come back”
How is this different?
How is this different?
Sprays and bleach are liquids — they run straight down the pipe. This foams up and coats the pipe wall, including the film above the waterline where the eggs actually sit.
Where can I use it?
Where can I use it?
Shower and tub drains first — that's where they usually start. Also works in bathroom and kitchen sinks, floor drains and garbage disposals.
How do I use it?
How do I use it?
One scoop down the drain before bed, add warm water, leave it overnight, rinse in the morning. That's the whole job.
Shipping & Returns
Shipping & Returns
Free standard shipping on all orders (10-12 Business Days).
FREE SHIPPING | LOW STOCK 🚨
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Sound Familiar?
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Flies on the shower wall
Same tiles, same corner, every single morning.
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They keep coming back
You kill a few and more show up the next day.
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Musty shower drain smell
Organic buildup in the pipe stinks — and it breeds flies.
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Embarrassing for guests
Nobody wants a fly in the shower they just offered someone.
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Sprays do nothing
They kill what you can see, but never get down the drain.
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Scrubbing doesn't stop it
You clean the tile and they're back by the weekend.
If any of these sound familiar — here's the fix.
What pest pros actually use
It Starts In Your Shower
Drain flies start as larvae in the damp mildew film around your shower — then move down into the drain to breed. Bleach runs straight past that film. Sprays never make it down the pipe. Traps only catch the few already flying.
One scoop foams up, coats the whole pipe wall, and destroys the film where they actually breed.
Other Fixes Treat Today. This Ends It.
Real Results From Real Homes
Trusted by homeowners who'd already wasted money on sprays, traps, and bleach that changed nothing.
94%
Saw fewer flies within the first week
91%
Said it worked after other products failed
88%
Would recommend it to a friend
**Based on feedback from 6,000+ happy customers over the past 60 days.**
What To Expect, Day By Day
Loved By Thousands Of Fly-Free Homes
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Superior in Every Way, here's how;
| US | Others | |
|---|---|---|
| Reaches above the waterline | ||
| Kills eggs & larvae, not just adults | ||
| Reaches shower & tub drains | ||
| Safe for septic & all pipes | ||
| Stops them coming back |
What People LIKE YOU are saying!
Rated 4.89 / 5.00 with over 6,000 customers
You've got Questions?
We've got Answers!
Why do they keep coming back?
Why do they keep coming back?
They breed in a slimy film inside your pipes, above the waterline — where sprays and bleach can't reach. Until that's destroyed, new flies keep hatching.
I've tried everything — why is this different?
I've tried everything — why is this different?
Everything else kills the adults you see but never the source. Drainquility foams up to destroy the breeding film itself.
Are they even from my drain?
Are they even from my drain?
Almost always, yes. Tape over the drain overnight — flies stuck to it in the morning means that's your source.
How fast does it work?
How fast does it work?
Most see a big drop within days. Heavy infestations may need a repeat treatment over 1–2 weeks.
Does this mean my house is dirty?
Does this mean my house is dirty?
Not at all. Drain flies breed in the gunk inside your pipes, not on your counters — even spotless homes get them.
Do I treat every drain?
Do I treat every drain?
Yes — treat every drain you've seen flies in, so they can't just move to another one.
Will it hurt my pipes?
Will it hurt my pipes?
No. It clears the gunk and odors without harsh corrosive chemicals, so it's gentle on your plumbing.