Xenia question.

[ray28576]

I have two Xenias. One of them is thriving and growing everywhere doing great. The other one is alive but it has been shrivled and not opening for about 3-5 weeks. Does anyone know what could be wrong with it. All my other corals are fine. Live stock all fine.
Water paremeters:
P.H 8.1
Trite 0
Trate 0
Ammonia 0
calcium 450
salinity 1.025
Temp 81
10% water change each week.
Live stock:
CORALS
Yellow Polyps
Red Zoos
Green Gonigporia
Frogspawn
2 Xenias
Some kind of Green Polyps
INVERTS
5-6 Hermits
3 Turbo snails
Sea Hare
Blue Linkia
Arrow Crab
Cleaner Shrimp
LTA
3 Feather Dusters (not counting all of the small one)
FISH
Neon Dottieback
3 Stripe
Yellow Tail
Electric Blue
2 Oscelleris Clowns
Any Help would be great, When I first got it, it did great. It grew and spread quickly. Now it never opens up. WHY? OH yeah, I have a 30gl tank. Up and running for 3+ years.

 

[deelucky]

is there any other corals near buy that could be sting it dont forget that some corals have long sweepers and it could be touching. :notsure:

 

[ray28576]

Its not by any other coral, the closest one to it, is the Frogsspawn.

 

[travis89]

How close is the frogspawn? They have sweeper tentacles that can sting other corals.

 

[promisetbg]

Alkalinity and phosphate readings are??