Hydroids.

[Cmas0814]

How to get rid of hydroids on a frag. And can my coral be saved if they're on it

 

[vetteguy53081]

How to get rid of hydroids on a frag. And can my coral be saved if they're on it

Erradication is simple but a pic or two under white lights will help see what youre reffering to
Generally, you can direct water flow towards the droids, not at them and they will starve. Other is to place a small dab of gel super glue on each head and theyre done