Bleached Monti??

[ReEfErAdDiCt]

I recently changed up my lights from 250w 14k halides to radion gen 2's. I ran them the first day on the default settings and everything was fine. It wasn't until I started messing with the programming that I screwed something up...
I went to look at the tank and noticed some spotting and loss of color on my green monti so i figured this was the "bleaching", I've heard about. What happened was I forgot to turn down the intensity during peak hours when i programmed the night before, so my radions were running at 100%. When I looked at the tank tho the lights had only been at 100% for about 20-30 mins and then I quickly turned down the intensity to 50%.
Now they ramp up starting at 11:00 to 50% by 1:00 and stay at 50% until 5:00 and then they start slowly ramping down to all blues at about 8:00 and finally completely off at 11:00.
The monti is the only coral that I can see has suffered any ill effects. Is what is shown in the picture "bleaching"? Sorry, I'm very new to keeping corals so the more I can learn now, the less chances I have of destroying these guys. Any feedback is appreciated. Feel free to tell me I'm doing it all wrong if you think I am lol


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[Reefs-A-Lot]

if you slowly increase by a few percent every day for 30-45 days- 1-2 percent a day this is the proper way to acclimate them to the light- if you have corals at the top of you tank i would go lower than 50% and take a little longer. they will recover and get the color back just take your time with the lighting

 

[specvjeff]

With LEDS, it's very important to acclimate the tank to them. I went with the Vega. I am running the whites at 30%, and everything else at 80%. I set the controller to acclimate over 2 months. They will start at 50% of those numbers, and slowly increase over the 2 month period. If you do not do this, you risk bleaching many of your corals.

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[ReEfErAdDiCt]

Thanks for the feedback. I think I'll do what you're saying and start the intensity a bit lower than 50% and work my way up very slowly. I was told by an LFS here to move my corals down lower but that wasn't very practical to me because almost all of mine are attached to the rock. And the ability to lower the intensity and raise the intensity of the radions slowly, I'm assuming is the same principle as lowering the actual corals and raising them slowly over time say from non-dimable halides??


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[ReEfErAdDiCt]

Thanks Jeff. I haven't figured out all of the functions of the radions but if they have a preset "acclimation", setting, that would be perfect. I know the radions have a temporary acclimation setting, say for when you bring a new fish or coral home, but I haven't seen anything on a long term acclimation setting.

Anyone with radions have experience with this or can recommend something for acclimating my tank to these fixtures?


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[mike007]

After acclimation how does one know what height to set leds without having a par meter?

 

[bline6476]

Reefs a lot nailed it imo

 

[Otter_rs]

That doesn't look like bleaching to me. It looks more like tissue necrosis. It may be completely dead in a few days or even sooner if you don't do something to save it. If you have some epoxy you can run a long roll of it over the good tissue along the dying edge and press it into the coral flat. That way the necrosis can't advance.


Brent \><{{{{*>
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[ReEfErAdDiCt]

That doesn't look like bleaching to me. It looks more like tissue necrosis. It may be completely dead in a few days or even sooner if you don't do something to save it. If you have some epoxy you can run a long roll of it over the good tissue along the dying edge and press it into the coral flat. That way the necrosis can't advance.


Brent \><{{{{*>
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Hmm...I'll look it up. Thanks for the info. Never heard of that.

 

[rajkovich207]

I was actually thinking it got beat up by another coral. Are there any other lps. By it? Suck as brain corals or anything?

 

[ReEfErAdDiCt]

I was actually thinking it got beat up by another coral. Are there any other lps. By it? Suck as brain corals or anything?

Nope, it's def a loner. Not a chance anything else could've touched it.


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