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The Conversation
The Conversation
Faisal Hai, Professor and Head of School of Civil, Mining, Environmental and Architectural Engineering, University of Wollongong

Should I pour this down the sink? (Probably not, and here’s why)

Oil Sydney Water
Mathias Reding/Unsplash, CC BY

Ever been about to pour rancid milk down the sink and thought…“Hmm, maybe I shouldn’t…”? What about the tomato passata that’s gone off? Or the water you washed the paint in? Or that pungent oil from a tuna can?

Let’s consider the wisdom – or not – of putting everyday items down the plughole.

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