Awhile back some posted questions about spiderwebs or a white fungus on their LR.Anyone figure out for sure what it was.Seemed to occure during cycling- -as in my case.I think someone commented that it might be Vermitid gastropods?Doesn't seem to hurt anything just curious.
I just added a piece of LR to my established tank and I noticed what it looks like you are taling about too. Does anyone know what this is, other than that it will go away?