i have live rock thats has tangle come out of it i dont know what it is it coal bloming or something else i find it out the three day i got it and i put some calcum in it the other night what is it
Hey,
Hard to tell by what you wrote, but you may be trying to descibe vermetid snails. They are sessile snails that have a white tube with a couple long white spiderweb looking feelers that come out and collect detris. You may not see the tube in the lr, just the feelers. HTH
Dan'l