Even though it seems harmless, pouring hot water down the sink can actually harm your pipes and drainage system, leading to costly repairs and environmental damage.
Why It’s a Problem
Constantly draining hot water causes plastic pipes to wear out faster. Unlike old metal pipes, most modern ones can’t handle high temperatures for long. Over time, the heat weakens them, shortens their lifespan, and can even cause leaks.
PVC pipes, for instance, can’t withstand temperatures above 60°C. So, when you pour boiling liquids like soup or vegetable water at around 90°C, the heat can cause them to warp, crack, or burst.
This damage can be expensive to fix and may even affect nearby drainage systems.
How to Protect Your Sink and Pipes
Experts from The Mirror and Magnet suggest a few easy tips:
Use a better filter – Upgrade your sink strainer to catch more food scraps and grease before they go down the drain.
Throw away food leftovers – Don’t rinse food into the sink. Even tiny pieces can pile up and cause blockages.
Clean regularly – If your sink drains slowly or smells bad, clean it with a safe, pipe-friendly cleaner to prevent buildup.