Growing out corals.

[DorySaid]

You mentioned phosphate but not nitrates. Its sounds to me an excess nutrient thing possibly? But like they said it could be many things. You mentioned ramping leds but where did you get the corals and how was their water and light in comparison to yours?

[Ram3500]

I would guess that it's the LEDs.Or it's your phosphate or it's your frags miss the ocean. My vote is they miss the Ocean.