I'm not sure what is going on, but some of my corals have lost their color. I tend to not overreact and deal with issues as they arise systematically. I've noticed certain corals are just lackluster in color, to the point I'd like to add food coloring to get it right again. Last night I did the full battery of tests to figure out what was off, but surprisingly every single parameter came in correct: pH: 8.01 (at ...