I have something attacking my zoas. Started out with the frag below and just noticed it on a frag that was right next to it -- going on the same course. Can anyone id the issue and/or give advice on what to do?
Started like this:
Then this (right before I pulled it from the tank):
Started like this:
Then this (right before I pulled it from the tank):
Last edited:
. good luck & happy reefing!

