Purple Gonipora 4" won't open up ??

[janey]

Where shall i place it on the bottom or top ? i see some of the polys and tearing off. not cause of strong current .
What should i do ?

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[coralfarmer84]

you'd probably have better luck in the LPS forum. It looks like it hasn't been open for a while, because there should be no algea on its skeleton. Mine has never retracted nearly that far into its skeleton, even at night. Try the LPS forum.

 

[parkavenuereef]

my gonipora never does anything like that? How is everything else in the tank coral wise? I would say something got it chemically. looks like what it would look like if copper was introduced in the tank.. or maybe did the tank overheat? good luck man..