What do these corals eat?

My friend has some pulsing xenia, button polyps, mushrooms, frogspawn, and a few feather dusters in his tank now

many have said that most of these are photosynthetic
but I just want to double check to see if there is anything that he should be feeding it besides giving it light

 

Well, I personaly haven't had any coral. and my brother can barely keep his allive. but if watching days of animal planet while sick has taught me anything, its that corals are animals. and they feed on micro morganisms what float in water. they're already there so you don't have to add anything.

 

Zooplankton At least twice a week.

 

Phytoplex works great!

 

I combine different things.....I use marine snow,cyclopeeze,coral frenzie, zoo planton, sometimes I add brine or mysis shrimp.....I also target feed a lot of my corals and thankfully so far ALL of them are doing great......