zoas closed

dmh41532

New member
this past thursday, I purchased three zoa frags and one trumpet all from the same frag tank. One of the zoas isn't doing well. the polyps will not open. I suspected and still do suspect nudibranchs. When I was drip acclimating them, I noticed a single nudibranch has fallen off a frag. I looked for eggs and nudibranchs, but nothing. I havet seen any at night. I've moved them down with some of the other zoa frags but still nothing. Should I use some type of diip?
 
I'm assuming that the system the polyps are in is well maintained and there is no problems of light, water flow and chemistry. So please make sure all that is checked out.

Keep an eye on the polyps and search more for the nudis at night, or other pests.
Make sure your fishes or other inverts, like hermit crabs and worms, aren't bothering the zoas.
Maybe you don't have anymore nudibranchs, after the first dipping, but continue search for the eggs...

It is best to avoid dipping the polyps too many times "just because".

Perhaps the zoas are trying to recuperate from the dipping (?)...

You need to find out if there is any other predators or irritators.
The point here is that many times people keep dipping the polyps and the problem never gets solved because isn't related to dipping in the first place. To tell the truth, depending on the dipping method it could affect the polyps and lower their immune system!!

Some people dip and don't even know why they are dipping. "Oh, they've said it's good for the zoas". In most cases people don't even know what is that type of dipping for. LOL!!!
Just keep cool and try to solve the problem thinking of what should be applied to the problem.
Some times leaving the polyps alone is the only thing that should be done.
Good luck!

Grandis.
 
yes, the tank is well maintained. I have 5 watts per gallon of t5 h.o. nitrite, nitriate and ammonia are all zero. The fish only seems to bother the zoas at feeding time, and there are no hermit crabs. I didn't dip the corals, but have read that dipping can help. I have a firefish, clown goby and tronchus snails that never leave the glass. I keep checking for nudis or other pest but so far nothing. I moved the frag in question thinking the flow or light may have been too much. it was still closed up all day. I've been told that every coral and fish put into my tank should ahve a freshwater dip! somehow I don't think that's good for the animals.

Thanks
 
Fresh water dips could be helpful for some things and bad for others.
Normally and generally speaking, the use of Lugol's solution for dips is what I recommend.
Please do a search for zoas dips to understand better about them.
Also, do a search for the water chemistry.
Nitrates, nitrites and ammonia aren't all you need to test for.
There is calcium, magnesium, alkalinity, phosphates, as a minimum to be tested in order to use additives, keeping ideal conditions for zoas in closed systems.

Grandis.
 
i do have a calcium, alkalinity and phosphate test, i will test those asap. i will also research zoa dips, and further research water chemistry. thanks. also, a little update, the frag im concerneed about has 4 polyps, one has started to open just a bit, perhaps it just needs time to adjust to the lights. it was under either MH or leds. i use t5 ho
 
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