Ok. i was told they dont need to be fed. i have it about halfway up my tank. about 8 inches under 130w pc lights (including legs of light) only other corals are shrooms and gsp and they arent near it. tank is 4 months old after i added it and it just retracted to this and stays like this all day now. at night it bubbles up i guess to feed. any way i can save it?