Houseflies can be a persistent nuisance in the summer, but a quick 30-second task can keep them out of your home. While kitchen bins often take the blame, sink drains are equally prone to food debris and grease, making them a prime breeding ground for flies. The warm, damp environment of an uncleaned drain provides an abundant food source where flies thrive and lay eggs.
The Simple Solution
Slowly pouring a full kettle of boiling water down the kitchen sink drain completely eliminates the problem. Performing this quick task every evening before bed during peak summer months—July and August—keeps flies away for good. The scalding water flushes away rotting food residues, kills any pests lurking inside, and neutralizes the odours that attract flies from outside.
Why It Works
This natural routine bypasses the need for harsh chemical insect sprays, making it a safer alternative for households with pets. By implementing this simple trick, you can keep windows wide open in the summer heat without triggering a full-blown infestation.
Extra Protection Tips
- Set up apple vinegar traps near windows and doors.
- Replace bin bags daily to reduce odours.
- Place aromatic herb plants like basil or lavender near windows to deter flies.
These additional measures, combined with the boiling water routine, ensure a fly-free home throughout the summer. For more details, read the full story on the Liverpool Echo website.



