When I first got mine I heard 2 things. 1. feed daily. 2. feed every single polyp of they will die.
I feel after having one for almost a year and the other for 6 months that this isn't necessary. I feed mine every second day, sometimes third and never get every polyp.
My trick to get them out is to use one of the following in a turkey baster and just blast a little at it...
The water from thawed mysis shrimp
Just suck a little up, squit it at the coral and it should "wake up". Then after 10 minutes start feeding.
You'll read all sorts of advice if you google about removing the coral and putting it in a bucket, they adding food to the bucket and letting it sit. This isn't necessary IMO
. I've also read about cutting the top off a bottle and putting it in the tank. This works but I found it to a be a step that i really didn't need to do. As long as you can distract your fish away from it for a few mintues while it eats you should be fine.