Ready to hire?
Post your job in minutes, browse real reviews and choose who to speak to.Post a jobNeed some tips or advice?
Ask a questionPest control
Drain flies
Darlene 28/07/2026 - 1:39 PM
How do you get rid of drain flies?
Are you a pro and able to answer this question?
2 Answers
Cal-Rid Exterminators Inc
Rating: 4.9 out of 5
Drain flies breed in the organic buildup inside drains, so the key is to remove the breeding material rather than simply killing the adult flies.
Start by identifying the affected drain. A clear cup or piece of tape placed loosely over the drain overnight can help confirm where they are emerging. Remove the drain cover, where possible, and thoroughly scrub the inside of the drain, the underside of the cover, the overflow opening and any accessible edges using a small dish brush or narrow wire brush. The goal is to physically remove the slimy organic film where the larvae live.
After scrubbing, a biological or enzyme-based drain treatment can help break down buildup farther inside the plumbing. We like InVade Hot Spot+, but a similar bacteria- and enzyme-based drain cleaner will work. Follow the product directions carefully and allow it to remain in the drain for the recommended period without running water.
Bleach, boiling water and regular chemical drain cleaners may kill some larvae temporarily, but they often do not remove the organic material the flies are breeding in. Do not combine different drain-cleaning products.
If the flies continue after the drains have been properly scrubbed and treated, there may be another moisture source, such as a leaking pipe, damaged drain, seldom-used floor drain, sewage issue or organic buildup beneath an appliance. A pest-control or plumbing inspection may be needed to locate the source.
Answered28 July 2026
1
Pestend Pest Control
Rating: 4.9 out of 5
Hi there,
Please read below the details of treatment.
Extermination of drain flies consists of three main steps and it may take up to one and a half hours to complete this service.
Procedure:
1. Inspection: The technician will inspect the property and areas of concern to determine the cause and the overall level of infestation.
2. Treatment: A combination of spray and dusting products are utilized for a drain treatment, in addition to cracks and crevices such as baseboards and windowsills, and other areas of concern where activity is seen.
3. Prevention: You may be provided with certain recommendations according to your style of living and overall maintenance of the property, to ensure the success of this treatment and for future prevention.
office admn.
Yasmin
Answered28 July 2026
1