begginer reef hobist

Hi all noticed new heads growing on my coral I’m a beginner to the hobby and I’m struggling to identify if I have new heads growing or feather duster worms could someone please help me ID these in the video below and if so what’s the best way to get rid of should I leave them thanks.

Hi all I’ve recently noticed small white particles in my tank floating around don’t think it’s air bubbles but could be wrong any suggestions on what it could be and how to fix cheers

Hello fellow reefers.I wanted to ask you a question regarding stocking a tank.So in a few months from now I'll be buying a waterbox peninsula and im thinking of adding a pair of clownfish,a banghai cardinal,a red fish,and royal gramma. Basically a total of 6 fish for a 25 gallon and tank with a...