Why should we stop pouring tuna oil down the kitchen sink? | April 25, 2025

You open a can of tuna, filter the oil… And there you have it, in the sink! A quick and banal gesture, in fact a very bad habit. Why? Because this oil has a disastrous impact on both the pipes and the environment. Let’s think together about the reasons why we need to change this habit and the simple alternatives we can adopt.
The dangers of tuna oil
Tuna oil: a threat to your pipes

Tuna oil, like any cooking oil, does not dissolve in water. When it is poured down the drain, it can mix with other debris (soap, crumbs, hair) and form a sticky clog. Over time, this sediment builds up and eventually completely clogs the pipes, causing unpleasant odors and costly repairs.

Did you know? One liter of oil can contaminate up to 1000 liters of water and cause blockages in public sewer systems.

Impact on your plumbing
If you notice that the water in your sink drains more slowly or that a foul odor is coming from it, it could be a sign that oil has already accumulated. Solutions? Call a plumber (high cost) or use chemical pipe cleaners (harmful to the environment).

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