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Originally Posted by unregistered
whew
gonna need a filter on that puppy
the Cascade I tested was filthy when I borrowed it, and I'll be damned if it was not somewhat dirty after I finished - and I have a 20 micron filter
-> high performance has high requirements
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I've actually found that the Johnson/Jabsco in-line strainers to be pretty effective. I fill my loop with water that's been fed through a 10 micron filter first anyway, and so long as the loop was clean initially the blocks remain fine.
Still though, yes, "micro-structure" blocks do place a very high requirement for a clean system.