I noted it’s struggle in my journal. It did not acclimate well from day 1. Slightly bleached. It started to recover nicely. I was excited enough to see the turnaround that I sent the pictures to coral reefer as it started to show really beautiful shades of blue. Then I upgraded my lights to a hybrid model and it RTNd in less than 24 hours. No other frags seemed to have been impacted to the extent the Millie did. All major parameters were normal and nutrient levels were within my weekly ranges. I test every Wednesday and Sunday and log everything within my APEX journal. Alk, cal, po4, ph, no3, etc. So ultimately after ruling everything thing out all I could point to was the lights. I also updated this thread with my findings at the time. I chose to wait a couple months to see if any irregularities showed up in my testing or corals. After nothing came up, I was more confident it was receiving too much par under a new spectrum that caused the RTN event.
Edit: I would like to add that this took place over months, not days or week.
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