digitate hydroids

Hey there, so ive had this (confirmed) hydroid issue going on for roughly a year now. It has affected some of my corals causing them to melt or stay closed. I've read multiple forums saying lynx or fringback nudis will eat them but as they are not available since 2018 I'm left with resorting to...

I’ve had a heavy digitate hydroids infestation for about a year now. Seemed to be the more ‘mild’ kind as only one type of zoa seemed a little bothered by contact. I cut back on feeding, stopped broadcast feeding, added Halloween hermits, but saw no population reductions. 3 days ago, I was at...

Found these on an older piece of live rock that was given to me. Tank is 2 months old and the suspected hydroids are not spreading. Moved the rock to quarantine tank just in case. Any ideas on I'd? They are tiny and evenly spread out on the rock.

I've got a Fluval edge 6g nano that's been up and running about 5 weeks now. No fish, just CUC and random hitchhikers. I noticed the first couple of d.hydroids a couple weeks ago isolated to one rock. They have since spread to most of the other rocks. Not infestation levels yet, but a good 6-7...