Some Zoa's are white

[ingersoll]

I recently added a small frag of zoa's and a couple of the heads have turned white. This is when they are open. Why? Could my leds be too bright?

[cjk76]

Yes, I would think this would be a lighting issue. The zoo bacteria is dying off. Try decreasing the amount of light somehow.

[zues2006]

You're lighting might be alot more intense then where they were previously set up. Try decreasing the hours of light exposure per day. I would try 4 hours of light a day for 2-3 days, and then increase an hour every other day or somthing like that. What I suggest may be conservative, but when I switch to a new bulb, I run a schedule like that for a week or so to acclimate my corals to the "new" bulb.

[cjk76]

Originally Posted by zues2006

You're lighting might be alot more intense then where they were previously set up. Try decreasing the hours of light exposure per day. I would try 4 hours of light a day for 2-3 days, and then increase an hour every other day or somthing like that. What I suggest may be conservative, but when I switch to a new bulb, I run a schedule like that for a week or so to acclimate my corals to the "new" bulb.

This is actually one of the more aggressive light acclimations I have heard of. I would lengthen this to 2 weeks.

[ingersoll]

It is not something they will get used to with out decreasing the hours per day to light is on? Will I have to do this for every new coral I add?

[reefbooger]

Probably not. Some corals are more light sensitive than others.