DonavonsReef New member May 4, 2006 #5 The white thing is called, well the common name is chicken liver sponge.
DonavonsReef New member May 4, 2006 #7 Don't do anything it won't bother anything or the ricordia, It's harmless.
DonavonsReef New member May 4, 2006 #9 Nope just leave it & it will be fine they are very hardy once acclimated.