only a few of them have opened in the month that i have owned them. the water is fine now but about two weeks into caring for them my automatic feeder over fed my tank by alot. needless to say i got rid of it. but the nitrate and nitrite did spike everything else is fine. my levels are all back to normal but since that over feed ive also been fighting algae red and green. are my zoas dead any help would be appreciated..