800w true power usage of led is = to around 3000w metal halid grow lights.
Lenses and spectrum play a roll, depth of new tank and flow .
Cycle of the new system
I have made and customize my own off shore light they are very powerful I have seen similar reactions to corals try lowering the output and time cycle to a 12 hours use more time on the blue and less time on the white .
It sounds like a new system it will take time to get the corals use to their new home .
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