((read dead rbta)) in emergency 4 weeks ago.......After 3 water changes last one being 90 % others about 40% W.C i only use hob on a 40 gal (this setup was great) till the killing.the filter clogs up in no time .fish are fine but corals are closed up . I have another tank running should i break down tank and move corals and fish to other tank . Thoroughly clean it out toss sand
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