There are many easy ways to kill drain flies and prevent new ones from moving in. We've put together a thorough guide to killing drain flies with natural DIY methods and chemical cleaners, preventing new infestations, and important things to know about these fuzzy little nuisances. Read on to learn all about how to get rid of drain flies.. Yes, bleach can kill drain flies, but most experts would advise against using this method to get rid of them. Bleach can be extremely corrosive, and while it may kill the flies it meets along the way, it may also affect your plumbing.
Bleach killing drain flies isn't the best solution because it passes through pipes too quickly to reach eggs where larvae develop. Drain fly infestations often signal deeper plumbing issues in your home, including clogged drains, leaky pipes, or a full septic tank. Mixing baking soda, salt, and vinegar creates an effective overnight drain treatment that eliminates organic matter without.. Most people who call us about drain flies have already tried to sort the problem themselves. Boiling water. Bleach. Foaming drain cleaners. The logic seems sound: pour something down the drain, kill whatever is breeding in it. But here is the thing. None of those products reliably penetrate or remove the biofilm layer inside your pipework where drain fly larvae actually develop. Bleach in.