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If you see polyps it's ok. Leave it alone it's pretty hardy. And in case you lose it, I have plenty to give away
It looks ok to me. In fact I just picked up a red cap today as well as a green birdnest. When I had my other tank going my caps took a little to start growing. I would feed it reef roids once a week and let it be. When it starts growing you will see the edges get white. If the middle gets white the it's dieing.