While doing my Aiptasia inspection I spotted this Dome looking thing with a hole in the middle of it. Almost looks like a closed Zoa but I fear this is some kind of pest. Any ideas?
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I have no idea. Are they bad?Sponge?
Which one do you think it is?Tunicates = safe, a good sign of good parameters and a maturing tank
Tourniquets = a bad sign that something with your routine maintenance went horribly wrong
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