Blast dropping heads

[exnisstech]

Can't edit the title to blasto grrrrrrr. Just wondering if this is normal. I have this blasto welsi colony that I have being growing for a little over 3 years. Over the last week it has dropped some heads. The first time it was a single head the last time 3 heads together. What I find strange, at least from my experience with corals dropping heads, is that the dropped heads have hard skeleton attached to them and I am able to glue them onto plugs and they look fine. It did this a couple of years ago, which is the other plugs glued to the rock. At the time I thought it was stress from other corals but now it is not near anything else. Just curious if this is normal behavior.
The colony

This is where it looks like the heads are dropping from

 

[CoralB]

I wouldn’t be too concerned as long as the heads are doing fine and growing . Mine are mounted 4 inches from the sand to the rock and every once in a while one hits the base of the rock but mostly spreads out from the mother . Actually if you frag them it’s kind of helping you out in a way .

 

[sfin52]

Looks healthy and happy. It's fragging itself becuase it has everything it needs to self propagate.

 

[Nano sapiens]

Happens frequently with my B. merletti colony and causes no harm.