Coral food?

[Hangfire]

What would you suggest to feed sun coral in a small tank? I've been feeding coral frenzy - and it likes it, but the algae is now pretty bad. Should I go with frozen foods like mysis shrimp, and suck up what doesn't get eaten?

On a totally different topic, can anyone that has a sun coral answer this question for me - I noticed the other night after feeding that it appeared to be expelling small orange pellets. Are these eggs/larvae? There was quite a few expelled and I hadn't noticed them before. I will say that my coral is growing nicely and appears to be quite healthy despite the algae. I do weekly water changes of at least 30%.