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Vanishing Zoanthids?


siskiou
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I've had this happen to a few colonies over the years, and it's happening again right now.

 

Zoas are doing great, colony is expanding, and then one day they are all closed up and just melt away over the next few days.

Water parameters are fine, nothing is pestering them, no flatworms, bugs or anything else I can see, nothing new added to the tank. Other zoas and corals are doing fine.

 

Has anyone else experienced this, and is there something that can be done?

I've tried putting them into my other tank, doing lots of water changes, but no luck there, either...

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Hard to tell.

 

The return has two outlets, and the CL 4 (running an Eheim 1262) and the return pump is 600and something GpH (3 ft head).

Lookswise, I wouldn't call it exactly strong flow. but everything else seems happy enough.

The skirts of the zoas were moving back and forth a bit.

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something else could be blocking the flow to it . i think impur was on it

i would move it somewhere else in the tank..it needs more current. IME ive had them grow like weeds wear flow was good.then if i move to a location lacking flow the decline in health and start disappearing.move it before its to late...goodluck

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ive had this happen also in wild colonys i think its a type of bacteral infection that slowly wastes them away and i have moved them to higher flow and the ones that survived in my opinion the stronger flow keep the infection down and they were able to recoop and have never had same prob with the colony again as new growth are now tank raised and hardier then wild counter parts i think this malidy is mainly in wild caught specimens as far as my experance goes.So move to higher flow then move back after colony recoops u may want to do a techra-d dip as i have done this as a extra safe gaurd.

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ive had this happen also in wild colonys i think its a type of bacteral infection that slowly wastes them away and i have moved them to higher flow and the ones that survived in my opinion the stronger flow keep the infection down and they were able to recoop and have never had same prob with the colony again as new growth are now tank raised and hardier then wild counter parts i think this malidy is mainly in wild caught specimens as far as my experance goes.So move to higher flow then move back after colony recoops u may want to do a techra-d dip as i have done this as a extra safe gaurd.

 

This was my thought as well.

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