The golden rule with Kessil's intensity is, only raise it 5% a month, hold for a while (a week or two), then raise again if everything looks good. Your corals will tell/show you when you have too much light. With LED's, you need to be patient and observe your corals. Also, don't change color while you adjust intensity, adjust one thing at a time. (color can ramp up and down, but not during peak hours, try to keep it steady) If something changes, you'll be better off knowing that it was just the intensity, instead of guessing between intensity and color.
Nothing good happens fast in this hobby.
