xenia ???

Cruella

In Memoriam
ok before you all get mad at me, my friend gave me this coral called xenia. I was doing ok for awhile in my tank and now it win't open. it looks like a flower bud. my water is perfect, I add calcium to my tank daily. my othere corals look great. I have the right lights too. what does this thing need? It hasn't melted(thats a good thing right?
 
Xenia like moderate/continuous water movement and somewhere around 8+ hours of good lighting. Melting would not be a good thing...that would mean it turned into slime/gunk and "melted away....bye-bye" Yours is still there but just isn't opening-correct? Check the water flow and lighting and see if that helps. Let me know if it does.
 
Xenia is a good indicator coral. They will typically be one of the first corals to tell you something is wrong in the tank. You keep saying your levels are all perfect, but yet you haven't posted any. To really help you, we need to know the following:

PH -
Ammonia -
Nitrite -
Nitrate -
Temp -
Salinity -
 
Also xenia is a coral that is almost entirely photosynthetic, so while they don't require massive amounts of light, they are happy with strong lighting.
 
Xenia is a fickle coral. I have had it come and go in my tank. It blooms, it dies back, it sits doing nothing for months then BOOM ! it take off like a weed in the tank, and covers everything.

I've lost a bunch of colonies of it before, and had some that do well and come back from almost nothing out of nowhere.

The usual culprit is initial differences in chemicals and toxicological byproducts and growth inhibitors in your tank water from already established corals. If you have a lot of leathers in the tank, the terpenoids and other biological waste/ warfare elements will affect xenia.

I have some anthelia if you want some. It is fairly bullet proof to say "just leave it alone, and see what happens in time".
 
When I first got into the hobby, I was always adding different types of supplements - calcium, iodine, strontium, etc.. The problem was that I was not measuring for any of these things. Things seemed great for a while and then it crashed - most of my coral died including the xenia I had.

I learned from those mistakes - now I do not add any supplements. I have been relying on a 10% weekly water change to replace whatever has been used up. As a result, my xenia has been spreading along with the other corals in the tank.

Stop adding calcium unless you are testing for it (and anything else for that matter). Keep up with weekly water changes - with a little time, everything should be fine. Whatever you do - don't rush anything. Somewhere on this forum, someone once said "nothing good happens quickly in a reef tank" - words to follow.

Kevin
 
My pom pom zenia's grow like crazy. I'm always cutting them back and selling nice frags. I do big water changes, 25% bi-weekly to keep good water quality and to replenish what ever elements get used up. The only additive I add is dripping Kalk 24/7.
 
how are you adding calcium? are you adding an alkalinity part as well?
If you don't have an alkalinity test kit, it is one I highly recommend- actually it is the only thing I test for other than salinity on a regular basis...
 
The usual culprit is initial differences in chemicals and toxicological byproducts and growth inhibitors in your tank water from already established corals. If you have a lot of leathers in the tank, the terpenoids and other biological waste/ warfare elements will affect xenia.

I agree with this. People usually shake their heads about why xenia do well in one tank and not another, but I think this the most likely source of difficulty when it comes to xenia.
 
no I had him in the wrong spot. I put him right on the highest rock with the most water flow....and now he is fine!!
 
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