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Is this something I should be concerned about? I don’t even know what hydroids are I will have to do some googling.They appear to be a type of hydroid.
Is this something I should be concerned about? I don’t even know what hydroids are I will have to do some googling.
Hydroids aren't too awful but they can bother some corals. Zoas and palys are not very fond of them from my experience. You think your water parameters are off or something but upon closer inspection you'll see hydroids agitating them.
Sometimes they go away and other times you'll have to accept their existence. I have hydroids myself and I just kind of accept their existence. If they bother my corals too much, I just brush them off.