So I've had this Duncan frag for about 5 years now. It was two heads when I got it and now it's about 30 living with some more that have died over the years. The dead skeleton has some sponge growing in between the living heads and there are also a lot of tube worms growing on the dead skeleton. I'm hoping to do a dip to get rid of them and the only one I have on hand is coral Rx. Does anybody know if this would be sufficient to kill some sponge and some tube worms? And if not than which dip would be sufficient? Also the worms I'm talking about are named vermatids on the hitchhiker guide. They're the ones that have the long strands not feather dusters.