Cobweb like sacks on new rock?
I was wondering if anyone had any clue what this could be...its cobweb like sacks/bubbles on our new lace rock. None of our live rock has it, just the 4 pieces of lace rock that were added(added 2 times and both got it not too long after). Also, there is this clear(very slight orange tint) bug<?> running around on a piece of live rock, it's looks like an ant with long antenne. Any clues? (digital camera arrives any day now, until then I can't post pics, sorry)! Thanks *again* =)