RBTA'S questions

[5ft24]

Had 2 RBTA'S a year ago. Have 6 now.

Sunday they were happy as could be. Moved the tank to my new place, and the nems/rock etc were all submerged in tank water. Got the tank half full of new, half full of old and added all the rock/nems/corals back in. Added the fish. Salinity was the same etc. Everything is great except the nems. Today, they look a little scraggly. Mostly just the body, tentacles tiny, pulled in, but stuck SOLID to the rock still. A couple are hanging like nutsacks... none of them have any odor, mouths are all tightly closed, params are still really good, no nitrites, nitrates or ammonia.
Should I just keep a good eye on them?

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[5ft24]

Well, they finally died... Salinity was identical, temp was identical, but the ex had unplugged the skimmer a week before, so 75% clean water must have been too much of a shock to them. Fish and the Zoas I had are all OK.

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[mnewby]

have they pulled off the rock they can do some funk thing I had one once try and force its way threw a pump but the half that didn't get ground up grew back out and healed