Xenia Elongata don't alive in my aquarium

[eaquinta]

Hi, i have some problems with Xenia elongata,
in the begin it's look very nice an after some time 1 o 2 month this don't look good and eventually the frag die, every time

dKH = 14
Ca = 460ppm
NO3 = 5ppm max
Ph = 8.3
Illumination 2W / gallon

Help me Please

Tank's for Your time....

 

[scubanoah24]

lots of variables here. could be your lights, flow, water, other corals.

 

[JamesJR]

what kind of lighting do you have?

could we get some more information about your tank? Do you have any photos?

 

[eaquinta]

Hi tanks

I'm using Power Compact 36W 50/50 on my 17 gallos tank

This pictures are taken before the problem !!!

Aditional I have a Skimmer Red Sea Prizm...
Acuaclear 110 with macro algae (Chaeto)

I will post pictures of the sic xenia

tanks

 

[csueeman]

Looking at the tank you might be having some allelopathy issues. It looks like it is sitting next to some GSP and they have been known to do some major chemical warfare. That and the frogspawn near the second patch could be causing problems as well.