So do i need to stop this or just let it be, dosent apper that it is bothering any thing, looks as if is is just on on piece of my lr, i am sure i could do some moving around to get it out n scrub or dry out if need be, just worreid dont want to loose anything due to that, have been doing good for the last four months only lost one little frogspawn and a brain, that was due to doing the coral to soon i think...i just need some advise on what to due about that stuff