xenia polyps falling off? HELP

[clockwurk]

anyone ever have their xenia polys fall off?
like break off.... and float away???

my other xenias are fine, but two stalks, the polyp stem is looks like its being pinched in between, like the number 8...

any ideas why its doing this????

 

[kingfisher62]

Check your water quality and let us know what your parameters are.
That might help us help you!

 

[clockwurk]

My params are perfect. I just read that is one of their methods of reproduction, so i think its ok.