well i woke up this morning and the couldyness is gone i guess the 25% change helped allot but when i set up my refug i noticed a centipead type bristle worm i removed it and havent seen another but last night after my water changed i noticed one sticking his head out of a piece of live rock in my refug ive read many differnt articles should i leave them alone and keep an eye out on them and my corals