One thing I found of interest was the flow rate differance between the Cascade and the White Water in Copyman's testing.
The White Water showed almost 1/2 again more flow over the Cascade, or the Cascade was 1/3 more restrictive depending on how you look at the numbers.
This could make a noticable differance to systems with more than one block in series. For those systems the White Water would seem to be ahead of the Cascade.
One possible reason for the large differance, blockage of the tiny jets of the Cascade. Copyman, did you check your Cascade very carefully to make sure none of the jets are pluged? Even a few blocked jets would eleminated the Cascade's performance advantge and would also lower flow noticably.
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