Again, my concern is that only your skimmer re-oxynated your water. Do you have flow in your tank? Using powerheads at the surface to aggitate the water at the top, helps to re-oxygenate. I would look at how you have things configured, as not having a skimmer running for 12 hours should not kill things. I think your problem is bigger than a bad powerbar overall. IMO...
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Setup: 180G DT, 105G Refuge (approx. 300lbs LR, 150lbs Aragonite)
Hardware: Super Reef Octopus SSS-3000, Tunze ATO, Mag 18 return, 2x MP40W, 2X Koralia 4's Wavemaker
Lighting: 5ft Hamilton Belize Sun (2x250W MH, 2X80W T5HO)
Type of Aquarium: mixed reef (SPS & LPS) with fish
Dosing: Mg, Ca, Alk
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