You're running the lights way too long. If they are at 100%, they are equivalent to 2 250watt metal halides on a 65 gal. Try cutting back the lights to 60% and cut back the time to about 7 hours. Since you don't have many corals at the moment, try leaving the lights off for 3 or 4 days until the brown algae subsides, then gradually bring them bak on
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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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