flow
depends on your rockwork. If really packed, then maybe closed loop, but if fairly open, 2 vortechs opposing each other should work. I've got 2 on my 120 and the fish and corals love it.
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Last tank was 210 reef with 90 gal sump
120 , lps. 2xKessil A350W Tuna Blues, 2xvortech mp40 for flow,aqualogic 1/4 hp chiller, 160 lbs live rock. sohal, , pair of percs,flame dotty back , royal gramma, pair of black percs, niger trigger, mandarin
55 corner bowfront freshwater, African cichlids kessil a350
30 gal 36x36 coffee table fish tank. 3 red ear sliders.
5.5 gal nano, live rock, arrow crab, baby perc, firefish.
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