I had so many conflicting views when I looked into keeping a Sun Coral that I just went ahead bought one & tried a few different regimes.
In the end I settled on 3-4 times a week which worked well with my particular specimen in my tank conditions.
Sun Coral Blog
This guy varied how often he fed his.
Flippers n Fins
This guy says to feed twice a day.
Marine Depot
This place says feed daily.
Sorry, don't know if that helps or confuses
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oh & I fed brine shrimp most of the time...
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