Do you have any corals that are dieing? Maybe that is part of your reason. I am just grasping as I am very new. Is your clean up crew okay? If your Nitrates are up, how is your ammonia level? If I remember right that is what kills the inverts. I am sorry I am not much help.
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AGA 120 Megaflow, 2x 250w HQI MH and 2x 54w T5 Actinics, Euro Reef CS135, Sump, Pacific Coast 1/10 HP Inline Chiller, PanWorld External Water Pump, Red Sea Wavemaster Pro, 4 power heads
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