Fruit Fly & Drain Killer - Simple Commercial Gel Treatment Eliminates Gross Flies, Sewer Flies Gnat Infestations From Any Fast Easy 2.5 Gallon (320 Ounces)

It works! But I feel you have to be diligent… I had a big problem and was so frustrated with other failed attempts. This warranted great results after one treatment! Even better after the second! I think one more time should do the trick… fingers crossed. I gave it 4/5 because it may take multiple times to get rid of them completely. But otherwise I’ll buy again. Hopefully I won’t have to…

The product works really well. It took a couple of times, but even using down all my drains I still had plenty left in case I should need it again. I had tried other products, as well as ALL the so called natural remedies like boiling water, vinegar, baking soda and dish soap sitting for 8 hours and then boiling water down the drains and this is the ONLY product proven to work so far.

Stupid drain flies are annoying and disgusting. I have tried the vinegar and baking soda “solution” but sometimes that just doesn’t work. This kills everything in the drain within 2 applications. I treated all the sinks and the shower drains and the flies are gone. It smells like a funeral home but only for a few days. It does what it says it will do.

I used this on every sink and shower drain for 4 days in a row (every night after the family stops using the sinks and showers), and it did the trick. We had tried boiling water (until I learned that can damage pvc pipes) and had an exterminator come. This is the only thing that worked. If I ever get drain flies again I am buying this product immediately.

I bought this to address drain flies in my bathroom. More than one application is needed, but it worked well and is easy to use. It has a strong smell, so it is best to somehow ventilate or isolate the area while it's working.