Lighting Issues with Corals

[LeanneP]

Originally Posted by Aquattro

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.

Yes, I agree Brad that it isn't long enough, but I never increased it because it looked like the corals were getting too much light. Sometimes they will close up when I turn the lights on and the tissue almost looks swollen on the hammer and the frogspawn and my mushrooms will shrivel right up. I have checked all my other parameters and everything is good so I keep coming back to the lights. I will start increasing the lights and see what happens.

Leanne

[Aquattro]

And you do have the cover glass installed?

[LeanneP]

Originally Posted by Aquattro

And you do have the cover glass installed?

Yes, I do have the glass covers installed.

[fishytime]

I would think that some sort of reaction to an increase in light would be normal....It may take a few days for the corals to adjust....

[LeanneP]

Originally Posted by fishytime

I would think that some sort of reaction to an increase in light would be normal....It may take a few days for the corals to adjust....

This has been going on for months.