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🦟 Say goodbye to drain flies and hello to fresh, fly-free spaces!
Eco Strong's Fruit Fly Drain Treatment is a 1-gallon, all-natural gel designed to eliminate drain flies, gnats, and sewer flies by digesting organic scum buildup. Safe for all plumbing and food areas, it offers a fast-acting, non-toxic solution ideal for both residential and commercial use, keeping drains clean, odor-free, and fly-free with regular application.
























| ASIN | B0BCP3VT97 |
| Best Sellers Rank | #273 in Health & Household ( See Top 100 in Health & Household ) #1 in Indoor Insect & Pest Control |
| Brand | Eco Strong |
| Brand Name | Eco Strong |
| Customer Reviews | 4.2 out of 5 stars 5,560 Reviews |
| Item Form | Gel |
| Liquid Volume | 128 fluid ounces |
| Model Number | DFFE-128 |
| Number of Items | 1 |
| Package Size Name | 1 Gallon |
| Part Number | DFFE-128 |
| Product Benefits | Kills Drain Fly |
| Scent | Peppermint |
| State of Matter | Liquid |
| State of matter | Liquid |
| UPC | 860008793904 |
| Unit Count | 128 Fluid Ounces |
C**.
Fly stickers ALONE were worth the purchase !!
I got these and put the fly stickers on all my drains. I had been using "Green Gobbler for Fruit & Drain Flies" for about 3-4 days in my drains with NO noticeable difference in the fly population in my house! I put these stickers on my drains and the next morning I got up and there were NO flies in my house! But guess what? There weren't any stuck to the fly stickers either. It's been three days with my drains plugged. A plug in the bathroom tub, stopper pulled up in the bathroom sink, one fly sticker still stuck to one drain in my kitchen double sink and I just keep the drain stopper in the other sink so I still have a sink in the kitchen to use. Still not a single fly on the sticker, but no flies in the house either. I wanted to see just how long I'd be 'fly free' doing this. -So far, 3 days with NO flies AND I still haven't put the EcoStrong drain treatment in the drains! So, the drains ARE the problem. At first I didn't think so. I never saw a fly come out of the drains -ever! I live in a duplex and my sinks, tub and probably toilet all drain to a center drain pipe in the common wall that I and my next door neighbor share. I'm sure she's been inundated with flies. Those little buggers are smart! Not one was stuck to the fly stickers but the fact that I had NO flies the next day after putting them on before going to bed and then got up to a fly free house tells me that's where they're coming from. If I even go get a fly swatter and sit back down at my desk in front of my living room window the flys would vanish. They KNEW I had that swatter. They would hid behind my desk calendar or along the edge of my laptop on my desk. -anywhere they could find that I couldn't get at them, so not surprised there was none on the fly stickers. They knew better. They just went down the other side of the drain to my neighbors house! If I didn't get anything but the stickers with this purchase it would have been worth the $36 to me to find this out! I spent $250 on fly zappers, fly trap bags and other crap and NONE of it worked! -I even took clear packing tape and sealed all my windows in my house shut thinking that's where they were coming in, under the weatherstripping and was getting ready to replace all my window's weatherstripping! Thank you EcoStrong for the stickers!! I'm gonna use the drain treatment to treat my drains. -As soon as I get another sink stopper to seal the other side of my kitchen sink so I can take the sticker off! -And I'm gonna buy a gallon and some stickers for my next door neighbor. With our drains being in common we're gonna have to tackle this together to get rid of these buggers. But if she won't be diligent and do her side, I'm just gonna keep treating my side and keep my drains closed unless I'm right there running water into them. It's the only solution I can figure out, but at least, thank God! I HAVE a solution that works now! UPDATE: I used the Eco Strong Drain treatment in all four of my house drains, kitchen sinks, bathroom sink and tub for 8 straight days before I went to bed. I put a strip of blue painters tape across my kitchen sink so I wouldn't accidently forget I treated the drains and use the sink. I pulled up the bathroom sink stopper & put a small mixing bowl in the bathroom sink so I could wash my hands and run water from that faucet into the mixing bowl, then dumped the bowl into the toilet next to the sink and set it back in the sink for reuse. That little system worked pretty well for the 8 day treatment so that it wasn't much hassle not being able to use the sinks for about 10-12 hours during the night. After 8 days I'm pretty much fly free. I bought a gallon with the stickers for my next door neighbor and gave it to her to use, since our sinks connect to the same drain pipe. I live in a duplex and we have a common wall so our kitchens and bathrooms back up to each other and use a common drain pipe to the septic tank. I'm not sure how faithful and diligent she's been on her side but she told me a couple days ago she only has a few flys now instead of the hoards of flys we were both dealing with so I think this stuff works. I'm going to continue once a week treatments through fly season and keep my sink and tub stoppers in place when I'm not running water into them. Can't think of anything else to do and the treatments drastically reduced the flys. Wish it was a 'zero fly zone' but those little buggers are smart. I'm looking for and closing any remaining entrances they may be getting in from. Fixing to put up a split door screen on my front door. I think some are getting in that way.
J**H
This things WORKS!!!
This has been really helpful for dealing with those annoying little flies around the drains. It’s easy to use and I like that I can pour it directly down the drain without having to do anything complicated. I’ve noticed a big difference after using it, and it’s nice having something specifically made for drain flies and gnats. Definitely worth trying if you’ve been dealing with them!
D**N
Worked pretty well for the drain flies in my kitchen
We had a stubborn little colony of drain flies coming out of the kitchen sink every evening. Tried the usual boiling water and vinegar tricks with zero lasting results. This stuff cleared them up after about 3–4 days of nightly use. I just poured it down the drain before bed and left it. The flies mostly stopped showing up, which was a huge relief. It’s not instant magic, and I still get the occasional straggler, so I’m docking one star for that. But overall it did the job better than anything else I tried. Easy to use and doesn’t smell crazy strong. Worth trying if you’re dealing with the same problem.
M**R
That the product works
This is one thing that works.Everyyear I had problems with gnats this is the second year to try it out and the annoying gnats are gone. Follow the instructions. It’s pricey but it’s worth the money because it does the work. I’m give it 5 stars ⭐️
M**E
WORKS!!!
My bf and I live in an apartment and we've been fighting gnats it did cause my bfs head to hurt if he stayed to close to it. It has a very strong peppermint smell but I personally enjoyed it I get migraines all the time but not from smells. Worth the money we saw an immediate drop in numbers and its been over a month now and we haven't seen any. Also we have a garbage disposal and it didn't damage it like some reviews were saying.
N**E
Helped didn’t eliminate, wonderful company
Helped but did not eliminate drain flies. Followed instructions using 8oz per drain. Flushing with water at least 2 hours before use. Left to sit overnight in drains and still have flies 3 weeks( 1 gallon later). The smell is tolerable until you use it every day then it gets overwhelming. This is not an enzyme cleaner it is only natural cleaners and peppermint and geraniol. I won’t purchase it again if ever needed. We’ve never had an issue with drain flies before . Value is alright I guess but no enzymes and you have to use 8 oz a drain per tx. So it may actually be more expensive per tx than others. Easy to use just don’t rinse your cup in the sink or tub after treatment. About the consistency of shampoo. It does come with it’s own measuring cup.*** The company is fantastic if you need further instructions or help with the product reach out. An actual human will help you and address your issues promptly. Exceedingly hard to find a company like that 5* for customer service the product just didn’t solve my issue***
K**S
Gnat free thanks to this product!
I have lived in the same apartment for 10 years, and for the last 5 years, I’ve had a gnat problem every summer. I don't have plants or pets, and I never leave food out, so I couldn't understand where they were coming from. I absolutely can't stand the little buggers! At the beginning of June, I tried EcoStrong. I used it for 8 days, pouring 8 oz. down every drain daily. Over the next few weeks, I only noticed an occasional gnat. Now, despite it being really hot lately (central NC - hot and humid), I haven't seen a single gnat for a full week! I even did a test yesterday: I left a strawberry shake sitting right next to me for a couple of hours. Not one gnat showed up! I used to have to point a floor fan directly at my face while eating just to keep them away. Now, I can finally eat in peace without the fan. I am officially gnat-free!!! I haven't needed to use the product since that initial 8-day treatment, but I will keep it on hand just in case. I am so glad I found this product and highly recommend it. It is worth it! 100 stars if I could! Edited to add: I have read some of the other reviews and see that people give a lower star because it takes multiple days, etc. The directions state this. One full week in all drains. It is a pet peeve of mine when buyers give a low rating because of something they failed to do. Reading comprehension and following directions is key. Also if you have plants, pets, pet food, leave food out leave dishes in the sink, don't take trash out regularly, are a slob, this is not the fault of the product. You are going to have gnats regardless. They are attracted to these things.
M**.
Works Well If You Follow The Directions Well But Expensive!
I tried this solution after getting drainflies for the first time in our downstairs bathroom. We have a very old house, over a 110 years! I didn't know I needed to clean our drains our regularly and had never had this issue before! Apparently the super rainy parts of Pennsylvania and other places have this issue according to the internet! I've been using this for seven days already. Make sure that you flush all drains first and wait two hours for your drains to dry out before you pour this solution carefully around the rim of each drain slowly. Shake the bottle vigorously first! If you forget to shake it the liquid will be too thin and will not stick to the pipes! When wait at least six hours at night for it to work it's magic! Do not use the toliets or any of the drains. If you have to pee, leave it in the toilet, it's gross but important! We do flush for poop! LOL! Because I have family members that will forget, I tape signs on each toilet, sink and shower each night! Do not use your dishwasher! Helpful hint: Put medium and large mixing bowls in all of your sinks so your family members can wash their hands! This helps a lot! Most importantly, make sure you put this solution into the overflow holes of each sink!!! This is when I SAW A BIG IMPROVEMENT in the number of drainflies in my house! Also, because I absolutely hate insects, I bought the double-sided sticky paper to place throughout my house on three fourths of the tops of coffee mugs filled with one third cup of apple cider vinegar! It works to get rid of the drainflies flying around! After five days I noticed dead larvae in my sink (very small and squishy) and a few dried up ones on the floor of my bathroom downstairs. Success is near!!! I'm doing ALL of my drains just in case and will use it once a week to maintain the clean drainline. I find this stuff very expensive, even for the super large size so am taking away one star! However, it's working great! Be patient as it will take time! PS I read the drainflies can also be in toliets, yuk!!! Not sure how to deal with that! Good luck in your fight against these nasty pests but at least they don't bite!!! I'll update in a month on my progress! 10/09/2026 Found the drainflies coming from the base of the toilet, yuk!!! Will have it replaced as it's about 30 years old anyway! Gross!
C**A
Works better than the ones I have used before!
This is slowly and surely getting rid of the annoying fruit flies. I bought another two and will be using one of the daily again and use the other weekly and see how I go! 🤞
C**S
Works great
Works great on RV. Had little fly issues in really hot weather
F**Z
EXCELENTE PRODUCTO
EXCELENTE PRODUCTO
M**H
Effective and doesn’t smell of toxic chemicals
First, clean the drain (sink and overflow) by a boiling water flush out, then bicarbonate of soda and vinegar. This removes the gunk where the flies live and breed. Then use this stuff to remove the flies and keep them away. It doesn’t smell toxic at all, just minty. The flies went on day 1 for me. I treated the sink for 3 nights in a row to make sure there weren’t any still hatching.
J**P
Ha funcionado
Me ha eliminado la plaga de moscas del desagüe del garaje
Trustpilot
1 month ago
2 months ago