We have conducted a test with the VWR on our ice surface over 45 days here are our results. We have found over the past years that a good all-round temperature for the ice is around -7.5 degrees Celsius with secondary refrigerant temperature of -10 degrees Celsius. We heat our water to approximately 45 
degrees Celsius, to allow new water laid to bond with existing ice, with out this heating ice surface comes rough and undesirable.We fitted a 1 inch stainless steel VWR to our Zamboni water filling station the water is not heated and varies in temperature from 10 degrees C to 19 degrees Celsius, results are:
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Ice has become clearer making our lines more visible.
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Ice has become harder.
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The remarks from rink users (skaters) ice has become faster.
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Reduction in natural gas used resulting in reduced running cost (aprox $1000.00 per month) and reduction in carbon emissions.
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Reduction in electricity consumption water not being applied at 45 degrees Celsius.
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Due to the hardness of the ice we have raised our ice surface temp to -6.5 degrees Celsius and secondary refrigerant temperature to -9 degrees Celsius with no effect to ice surface, still hard and fast.
This results in further reduction in electrical energy costs (aprox $900.00 per month).
Ice rink used the Vortex Water Revitalizer with great success!
NOTE: This test has been carried out during the months of December and January which is summer in Australia with out door temperatures from 28 to 43 degrees Celsius.
We believe with these results the VWR is a must for all ice rinks wishing to provide a great ice surface for their patrons.
~ Phillip McCann, Refrigeration Engineer
Hunter Ice Skating Stadium P/L
Newcastle, Australia
