Bleaching?

[Ukreeferguy2020]

What does this look like to you?

I have 3x Radion XR30W's across a 5 foot mixed reef Tank. They are on about 70% and have noticed this after coming back from a weeks holiday.

I had the lights on the tank for about 2 months before going away and seemed ok.

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[aznflyfisherman]

Too me it looks like its burning the corals, did you start off low n then increase it slowly over time?

 

[Ukreeferguy2020]

Too me it looks like its burning the corals, did you start off low n then increase it slowly over time?

I can't remember to be honest. I pretty much matched the PAR with my old LED unit and left it at that. It was fine for a couple of months but went funny when I was on holiday. However they seem to be getting better again now. Maybe one of my fish decided to try eating it and nipped at them.


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[Uncle99]

Too much light, move it or turn down light