I never state that my testing is accurate. It is true that until BillA tested the White Water, then my results weren't really validated.
My Cascade results ranged from 1.5-2.0C better than my reference White Water block here in my testing. That's of course with the disclaimer about the (gross) inaccuracies of my testbed.
The Cascade results have been partially independently validated by the German water-cooling site who tested the Cascade against the DTek White Water, and found the Cascade to be 1.5C in front. The aluinium topped DTek White Water is an exact copy of the original White Water for the cooling specific bits (middle and base plates).
The German site used an Eheim 1046 with a large number of added restrictions, so admittedly this was an extremely low flow test. In my testing the Cascade does pick up a bit of performance separation over the White Water as the pumping pressure is increased.
Now what that all tells me is that despite the inaccuracies of my testbed, I can still get a somewhat decent indication of what's going on. It's not accurate in any way, but it's at least good enough for me to develop the block designs and pick a difference and really that's all that I was after.
True validation comes from independent testing, because let's face it, it is perhaps never wise to take a block maker's word on how their product performs?
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