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Comment Re:How long is your run (Score 1) 356

Actually, the water coming out of the machine is hot. It needs to be hot so it doesn't freeze instantly when it hits the ice. It needs to remain liquid long enough to flow into all the grooves in the ice and create a smooth level surface. But this heating is likely done by filling the machine with hot water (i.e., from the building's hot water heater) rather than using the machine's propane/whatever to heat it.

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