Lighting Issues with Corals

[Aquattro]

Originally Posted by LeanneP

I only run my lights for 4 hours a day and all the corals are at the bottom of the tank. Hammer and frogspawn are partially covered.

Leanne

I'd say that's about half of what they need. I would run them at least 7 hours, supplementing a dawn and dusk with actinic.