Lighting Issues with Corals

[Aquattro]

Originally Posted by LeanneP

These are double ended. How would I tell if they have UV covers? Is it something the light fixture has built into it? I bought new bulbs last August. That might have been when I started having issues come to think of it.

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

The cover glass should be all you need, so make sure the glass is in place.