My dad and I are having a debate about the importance of using washing up liquid and I need your help!!
He proffers that water in itself is clean, so why can we not just use water to clean our plates etc.
He also gave an example of how we would likely feel cleaner after “trudging through the jungle”, if we had a wash in a big jungle waterfall without soap.
I showed him that his glasses come out looking cleaner (no water marks) when he washes them with washing up liquid to prove my point that it is important to use it.
But can anyone tell me the actual science behind why we should use it? Or is my dad right? 😂
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Well your dad would be right, if he had used water that’s hot enough to kill all the bacteria, which would be just slightly below boiling. But I doubt he does that.
So you’d need dish soap, which doesn’t kill the bacteria but it will lift them off the surface so that they can be washed away.
Otherwise you’d have a lot of bacteria, even potentially dangerous ones like salmonella festering on your plates.
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