ok---i was just wondering if it normal for polyps to close up ? i have a frag of button polyps and i have noticed that half of the polyps havent been opening up for the two week. is this normal? i have checked my water levels and everything is normal. im wondering if they died or something? they dont look like they are decomposing though. they were actually spreading/multiply but like i said the orginal and the the new offspring have not opened up
help
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help