Quote:
Originally Posted by mark
Have a 145g with a Dart on a CL. Started with a monster pump pump that even with head loss was giving 2000+gph through my 75g sump full open. After running awhile, valved it back to ~1000gph which seemed better (pulling less bubbles through, more settling of detritus, etc).
Ended up replacing the return with an Iwaki 70 series (still get ~1000gph).
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Yeah I may valve this thing back a bit. But this is a 6 foot tank and I want good flow across it. Its also going to be barebottom and really for that to work effectively needs lots of flow so no detritus settlings. But it will be set up with an option to valve it back if needed.