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i got these had them for a week and they still dident open !!!!! the purple mesh is slowly turning white i have a 44 gal tank with 80 watts of pc light
That's less than 2wpg. I wouldn't think they'd be able to live in such a low light enviroment. You could try moving them as high up as you can get them, see if that helps.
Ya man you don't have proper lighting for that coral, or any coral for that matter. You can either take the coral back, or get another PC fixture asap.