Lighting Intensity Concerns

[Aquattro]

You'll be fine. If you're upgrading intensity a lot, you'll want to ramp up slowly to avoid sudden burning of the corals. Either raise the lights and lower slowly over a week or so, or use a timer to stagger the lights on and off during the day, slowly building to your desired photo period. Look up light acclimation in the search feature, lots of threads with greater detail.