Need Recommendations: Unwanted Aptaisa in sump/refuge

[globaldesigns]

Well my Display Tank is aptaisa free, as I do nuke the odd one I find. I have noticed quite a colony of them on one of my bubble traps in my sump/refuge.

They are in a place where it isn't easy to get at them, amongst the tube worms, sponges, snails and other critters I do want, but there are quite a few of them. I am not worried about them going into the display, but do want to get rid of them.

Since I cannot easily inject them with Kalk paste, what critters can I buy to do the job. I was thinking of some peppermint shrimp, but they may get snagged by one of the many pumps.

Any thoughts! Or am I just being fussy... As I said, the display is doing well, should I just leave them to help clean the water in the sump?