Help me determine what’s happening to my corals!!

Madonia

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Hi all,

recently added some SPS to my tank. For the last week or so some of them have been turning white where it meets the frag (where it started encrusting on the frag)....see pics below!

I have a biocube32, been set up for about 3 months. I have Steve’s LEDs that have been running on about 70% blue and 40% white.

following parameters last night (before a 5 gallon weekly water change):

Temp:76.8
nitrate 5ppm
Phosphate: 0.15ppm
Dkh: consistently 7.0
Ca: 430
Mg: 1350

I thought that the white signifies growth, but I think I’m wrong here and they are dying.

please let me know what you think/ what i should do/ if this has happened to you!!!

77867B5C-0096-4CD5-9755-7081D3673F94.jpeg AD32CD55-7737-4A1D-BFB3-F93D2486A11B.jpeg 78CCE7E1-9FF3-4A53-BD55-318DB45D01BF.jpeg
 
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Madonia

Madonia

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This is what it looked like when I first got it.

Its happening with a few of them. Specifically the green one and the Cali tort. The purple plasma has few tips that are lighter in color

9F6142BC-287B-494E-9067-AD235A8D35F5.jpeg
 
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Madonia

Madonia

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The pics aren’t that great, but it’s definitely whitening at the base/ the light throws the color off.
 

Fourstars

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you can ramp it back up after a few months. I assume your feeding too? At least twice a week, more if you have a light fish load.
 
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Madonia

Madonia

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I am feeding with reef roids and I just started dosing polyp labs Acids. I also add phytoplankton regularly
 
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Madonia

Madonia

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I did lower the lights- blues are now at 60% and whites at 40%. Not sure if that’s gonna change anything or not
 

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