You ideally want 3 to 5 times turnover per display tank. Flow can be supplemented in the display with powerheads. Before I was always big on tons of flow through sump even. Until recently tried to match water flow through skimmer with sump turnover, in doing so slowed my system a ton and getting way better skimmer performance and can't see any ill effects.
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360 gallon sps reef, 180 gal sump, bubble king supermarine 300, 4xmp40Wes, 2 x 6215 tunze waveboxes, 4 ghl mitras
360 Reef Tank
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