My Zoas are dying, help needed!

[Adri]

 

[FLAdaboy]

They look closed up. Not sure if they're dying. What are you parameters?
How much flow?
What kind of lighting? What intensity?
Are you dosing anything?
Livestock?

 

[A. grandis]

Look like something was crawling over them, like hermit crabs, or some irritator.
Could be a fish nipping on them too!
Also look like bacterial infection.
Could be also the beginning of light intensity problems...
So many things!!!!

1) Make sure your lights are good lights and the intensity not too strong... If you have LEDs sometimes they could be hard to judge and adjust. Good luck!

2) Try watch at night and see if you find anything over them. Use a flashlight and look carefully...

3) Turn off all the pumps and blow gently some lugol's solution over the effected zoas. Very small amounts!! Like 1ml per small area seen on the pics.
Leave the pump off for like 5 -10 minutes and the turn them back on. That would help with possible bacterial infection. You can do that once or twice a week while the problem is there. I would do more times only if the problem gets worse. But if the problem isn't bacterial infection in the first place there will be no reason to do that. Lugol's shouldn't be added directly to the system normally. Avoid it as much as you can!

Good luck and happy 2017!


Grandis.