Why do water coolers have blue and white taps?!

Question: Why do water coolers have blue and white taps!?
What are they for!? Obviously to dispense water but whats different about the water that comes out of the blue tap than the white tap!?Www@FoodAQ@Com

Blue tap is chilled water and white is room temperature!.Www@FoodAQ@Com

It is colour coding for the contents!.Www@FoodAQ@Com

Agree with the first comment!.Www@FoodAQ@Com

yeah what she said and red is hotWww@FoodAQ@Com

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