Help!

Met3112

New member
arrrghh...

Help my SPS are all bleaching and I don't know why. It is not necrosis I can still see polyps. The whole tank was doing great and then this week everything started to turn white. Nothing changed in the tank. All parameters have been stable.

About 400 gallons total system volume. The tank has been up for over 6 months.

Media reactor: Phosguard and seachem carbon
Lighting: 3 400w radiums and 3 aqua ray led strips
Flow: MP60, MP40, Closed loop...lots of flow
Refugium that produces tons of chaeto
Tank controlled by Aquatronica

Nitrate 3 - salifert and hach
Ammonia 0- salifert and hach
Nitrite 0 -salifert and hach
Phosphate .02 -hanna and milwaukee
Alk stable at 3.2meq Hach
Calc stable at 420 Hach
Mag 1400 Salifert

I'm beginning to think that the timer on the aquatronica was corrupted and the lights stayed on. But I have no Idea. Damn computers.

What else would cause rapid bleaching like this. I'm extremely ****ed, the tank was looking amazing! What am I not thinking of? No one knows everything but I'm not an sps newb. I work for a service company and I take care of many large sps tanks that have been doing well for the last 3 years. Its stuff like this that makes me want to quit!

Im trying to upload a video but I am having trouble. Will post it if I can.
 
No, and I have changed them many times in the past without issue. Actually on second look all the corals lower in the tank look ok.
 
I dont think it is stray current or metals...the montis, chalices, and birdsnests are all doing well. I keep getting updates from my client who is an hour away thats why some of the info has changed...appreciate any help i can get though. I feel heart broken over this.

Looks like only the acros on top are bleaching...its gotta be a light issue dont you think?
 
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