i rescued a couple of acros from LFS but i cant seem to get rid of the hair algae on them its in the middle and will not stop growing i have lots of snails (margaritta snails turbos ect,lots of blue leg red leg mexican crabs 1 algae blenny it is only on these 2 1 is a blue tip stag other tri color i have been removing it by hand with a set of hemostats(tweezers)but it just keeps coming back tryed placeing in more current no good, any suggestions?