Blue hornet zoa colony issue
Question to the zoa experts. I have a good amount of zoas all living together. Sunny D, Rasta, candy apple, fire and ice, etc etc. I have about 30 blue hornets living in the zoa garden, been there for years. 2 weeks ago every single one in the colony closed out of the blue. None have opened since ant if I touch them this brown smoke puffs out of the closed polyps.
Anyone know what could be going on? I peeled half off the rock and did a peroxide dip but that didn’t help. Thoughts?
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