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General Science / Re: What is the "smoke" or mist you get above some water features?
« on: 23/06/2018 20:38:15 »Have you seen it? I've seen some little water features (is Charlie Dimmock still around) in DIY stores and they have some smokey layer on the surface of the water. What is it and how is this formed?
Dry ice is added to the water feature to create the mist. It's CO2 from the frozen CO2 in the water. Observe that the 'mist' appears above the water reservoirs.