i recently bought a open brain coral, and i belive they are called star polyps (they are neon green) i bought them this past saturday 1/24/09 they arent open i called the store where i got it (absolutley fish in clifton new jersey) they said it could take up to a week is that right? my water is fine ammonia,nitrates,nitrites,ph,salt, lighting...they are not touching any other corals and i also bought a feather duster and a foxface and they are doing great. thanks for the help guys and gals.