sick? xenia

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wherearepeople

Aquarium Advice Apprentice
Joined
Nov 25, 2009
Messages
48
Location
boston MA
hey guys,
I've had my xenia for about a year now and its happily multiplied all over my tank despite poor water quality. I am now much more on top of my water quality. until recently some of it has started to retract while other colonies are better than ever.

nitrates-0
phosphate-0
calicum-390
alk- 11
Ph- 8.2
 

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nope i used some aiptasia x recently to get rid of some aiptasia it worked fantastic and didnt come too close to the xenia
 
It`s still in the water even if it wasnt close. Could very well be the problem. Maybe some PWC`s will help.
 
its strange that only two of the close to fifteen colonies are showing symptoms the lfs said it was only toxic in high concentrations and i have done two 5% water changes since ( I do 5G weekly)
 
5g in week in a 90g is like just taking out a few cups of water a day. Try doing a 15%-20% water change. That could well be your problem.
 
are they permanently like that, or just from time to time. My xenia will shrivel up, or contract, every once in a while and then expand back again. They may stay contracted for anywhere from five to thirty minutes and then it was like nothing happened.
 
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